Our Team

Jason P. Mihalik
PhD, CAT(C), ATC, FACSM, FNATA
Jason Mihalik is a Professor in the Department of Exercise and Sport Science. He is the Director of the Matthew Gfeller Center and the Chief Executive Officer for the center's THRIVE Program. He holds adjunct appointments in the Department of Neurosurgery and Department of Allied Health Sciences. He also serves as Affiliate Faculty at the UNC Injury Prevention Research Center in the TBI focus area. Jason completed his undergraduate degree in Exercise Science with a specialization in Athletic Therapy at Concordia University, Montreal, Quebec, Canada, in 2001. He completed his graduate work in Sports Medicine at the University of Pittsburgh, earning his Master's Degree in December 2004. He was a recipient of a 5-year Royster Fellowship, allowing him to ultimately complete his doctoral work in Human Movement Science at The University of North Carolina at Chapel Hill in the summer of 2009.
Jason's primary research interest intersects head trauma biomechanics with clinical outcomes in civilian athletes and military warfighters. He investigates the effectiveness of innovative concussion assessment, management, and rehabilitation technologies. He is additionally interested in the interrelationships between ocular and vestibular function, as well as the utility of neuroimaging and neurophysiology, in the context of the concussion management paradigm. He has developed smartphone applications designed to assist lay rescuers in recognize concussion signs and symptoms and intervene accordingly. Jason also studies field management of neurotraumatic spine-related injuries.
Conflict of Interest Disclosure: Dr. Mihalik is the Chief Science Officer for Senaptec Inc., a startup company in the visual and sensory performance space.

Kevin M. Guskiewicz
PhD, ATC, FACSM, FNATA
Chancellor Kevin Guskiewicz is a Kenan Distinguished Professor, Athletic Trainer, and the founding director of the Matthew Gfeller Center at The University of North Carolina at Chapel Hill where he has served on faculty since 1995. Over the past 26 years, his clinical research program has focused on sport-related concussion and their effect on balance and neuropsychological function in high school and collegiate athletes, the biomechanics of sport concussion, and the long-term neurological effects of concussion in retired professional football players.
Kevin has published over 150 journal articles and textbook chapters on sport concussion and has helped sports medicine clinicians to improve diagnosis and management of this complex injury. More recently, his work is aimed at identifying biomarkers for determining the potential risk factors that predict symptom onset and progression of neurodegenerative disease in athletes who have played contact sports.
Kevin earned his Doctor of Philosophy in Sports Medicine from the University of Virginia in 1995, after receiving a Master of Science in Exercise Physiology from The University of Pittsburgh in 1992 and a Bachelor of Science in Athletic Training from West Chester University in 1989. He has been awarded Fellowship in the American College of Sports Medicine in 2003, the National Academy of Kinesiology in 2006, and the National Athletic Trainers' Association in 2008. In September 2011, he was awarded a MacArthur Fellowship, given annually to individuals who "show exceptional merit and promise for continued and enhanced creative work." Kevin resides in Chapel Hill, North Carolina, with his wife, Amy, and four children, Jacob, Nathan, Adam, and Tessa.

Candice Goerger
MS
Candice Goerger is the Associate Director of Operations for the Matthew Gfeller Center & the Center for the Study of Retired Athletes (CSRA). She directs all on-campus research and off-campus clinical operations, manages all personnel & financial budgets, helps direct strategic planning, and provides programmatic support for both Centers. She serves as the Chief People Officer for the Transforming Health and Resilience in Veterans (THRIVE) Program and has been instrumental in developing the off-site clinic location, set to open in early 2023.
Before returning to UNC in 2018, she spent 5 years at Georgia State University, where she served as the Assistant Program Director for the Georgia State Reading Program – supervising and managing all operations for numerous multi-site federally funded research programs.
Candice completed her Bachelor’s degree in Athletic Training at Temple University in Philadelphia and her Master’s degree in Sports Medicine at the University of Pittsburgh. She began her career at UNC in 2007 as a research assistant under the direction of Dr. Kevin Guskiewicz.

Neka Alston
MHA, MHFA
Neka Alston serves as the Assistant Director for Clinical Programs for the Matthew Gfeller Center and the Center for the Study of Retired Athletes (CSRA) where she oversees operations for the THRIVE Program and the Brain & Body Program, respectively. A first-generation college graduate and spouse to a former NFL player, Neka earned a Master of Arts Degree in Healthcare Administration and brings over 7 years of valuable synergies in medical education, patient care, and non-profit management. Neka’s desire and motivation to support and empower the lives of others was firmly rooted during her upbringing in rural South Carolina. Her familiarity and understanding of how to effectively address the unique needs of families from disadvantaged backgrounds has positioned her to advocate for progressive action and to build collaborative partnerships that increase resilience for vulnerable populations.

Caprice H. Roberts
MPH
Caprice Roberts serves as the Assistant Director of Research Operations for the Matthew Gfeller Center and the Center for the Study of Retired Athletes (CSRA). Caprice coordinates and manages the day-to-day operations for the NFL LONG Research Study as well as, oversees various other research projects within both centers. Caprice completed her Bachelor of Science in Athletic Training and Masters in Public Health with a concentration in Health Behavior from East Carolina University.

Johna K. Register-Mihalik
PhD, LAT, ATC, FACSM
Johna Register-Mihalik, PhD, LAT, ATC, is an Associate Professor in the Department of Exercise and Sport Science. In addition to her role in the Gfeller Center, she serves as Core Faculty with the Injury Prevention Research Center here at UNC-CH and as the Traumatic Division Director for the National Center for Catastrophic Sport Injury Research. She completed her undergraduate work at the University of Alabama in Athletic Training and her master’s, Athletic Training, doctoral, Human Movement Science, and postdoctoral, Neuroscience, training at UNC-Chapel Hill.
Prior to joining the faculty in Exercise and Sport Science, she served as the Senior Research Associate in the Emergency Services Institute at WakeMed Health & Hospitals in Raleigh, NC. Dr. Register-Mihalik's research interests include the negative consequences, prevention, education and clinical management of sport and recreational TBI. Her primary work centers on novel behavioral and clinical interventions to improve the prevention and care for concussion across the lifespan. She has been the recipient of several research grants to pursue this line of work. Her work has been published in a variety of journals across the sports medicine and brain injury literature. Dr. Register-Mihalik is also an active member of many professional organizations including the National Athletic Trainers' Association, NATA, and the American College of Sports Medicine, ACSM. In addition, she currently serves on the NATA’s Convention Program Committee and the NATA Research and Education Foundation’s Pronouncements and Research Committees. Dr. Register-Mihalik was the 2018 recipient of the NATA Research and Education Foundation’s New Investigator award and is a fellow of the American College of Sports Medicine and the National Athletic Trainers’ Association.

Kevin A. Carneiro
DO
Kevin Carneiro is an Assistant Professor in the Department of Neurosurgery at UNC-Chapel Hill, and the Medical Director of UNC Spine Center as well as the Brain and Body Health Program through the Center for the Study of Retired Athletes. He is the physician for all patients in the Matthew Gfeller Concussion Clinic.
Kevin is a native of Canada, and received an honors undergraduate degree in Human Biology from the University of Toronto. He received his medical degree from the Philadelphia College of Osteopathic Medicine. He then completed residency training in Physical Medicine and Rehabilitation, PM&R, and a fellowship in Sports and Spine Rehabilitation at Northwestern University Medical School / Rehabilitation Institute of Chicago, RIC. He is board certified in Physical Medicine and Rehabilitation as well as Sports Medicine.

Wesley R. Cole
PhD, CBIS
Wesley “Wes” Cole is a Research Associate Professor with the Matthew Gfeller Center in the Department of Exercise and Sport Science at the University of North Carolina at Chapel Hill. He also serves as a neuropsychologist for the Transforming Health and Resilience In Veterans (THRIVE) Program. Wes completed his undergraduate degree in Psychology from James Madison University in 2000. He obtained his masters (2003) and doctoral (2006) degrees in Clinical Psychology from the University of South Carolina. As part of his graduate training, he completed a pre- and postdoctoral training at the Kennedy Krieger Institute, an affiliate of the Johns Hopkins School of Medicine.
In 2009, Wes joined the traumatic brain injury services at Womack Army Medical Center on Fort Bragg. In this role he was a neuropsychologist, research lead, and chief of behavioral health services for the Intrepid Spirit Center, a multidisciplinary TBI treatment facility for military Service members. Wes joined UNC and the THRIVE Program in 2022. He has been the Principal Investigator for multiple TBI-related studies and has authored or co-authored numerous peer reviewed publications. He frequently presents at conferences and professional meetings on various topics related to brain injury. His primary research interests are with cognitive assessment and outcomes following concussion, return to duty assessment for military warfighters, and innovative treatments for postconcussive symptoms.

J.D. DeFreese
Ph.D.
JD DeFreese is a Teaching Associate Professor in the Department of Exercise and Sport Science at the University of North Carolina at Chapel Hill. J.D. is a native of Indiana and completed his undergraduate degree at Indiana University and doctorate in kinesiology, with a specialization in sport & exercise psychology, at Purdue University. He also completed a postdoctoral research experience at UNC-Chapel Hill before joining the faculty in 2016. He serves in research, teaching, and service roles at UNC-Chapel Hill.
J.D.'s research examines the associations among current and former athlete psychological functioning, for example, burnout, depression, anxiety, well-being, motivation, with athlete social functioning, for example, social support, negative social experiences, and physical functioning, such as, concussion, musculoskeletal injury, training, and specialization. J.D. also teaches classes in the Department of Exercise and Sport Science on sport and exercise psychology and research-related skills and is a member of the UNC-Chapel Hill Faculty Welfare Committee.

Shawn F. Kane
MD, FAAFP, FACSM
Shawn Kane is an Associate Professor in the Department of Family Medicine at the UNC-Chapel Hill. A native of New York, he attended Gettysburg College in Gettysburg, PA where he played varsity football and was in ROTC. Upon graduation he was commissioned a Second Lieutenant in the US Army Medical Service Corps and attended the Uniformed Services University of Health Sciences for medical school. Upon medical school graduation, he was promoted to Captain and completed his Family Medicine Training at Womack Army Medical Center at FT Bragg, NC and then completed his Sports Medicine Fellowship at the National Capital Consortium at Ft Belvoir, VA/Bethesda, MD. He went on to serve a total of 27 years in the US Army, most of them as a physician in the US Army Special Operations Command. In 2018, he retired from the Army and started his second career here at UNC. He is board certified in Family Medicine and has a certificate of added qualification in Primary Care Sports Medicine.

Adam W. Kiefer
Ph.D.
AAdam Kiefer is an Assistant Professor in the Department of Exercise and Sport Science at the University of North Carolina at Chapel Hill where co-directs the Simulation, Training, Analytics and Rehabilitation, STAR, Heel Performance Laboratory. He also holds a volunteer faculty position in the Division of Sports Medicine at Cincinnati Children’s Hospital. Adam earned his undergraduate degree at the University of Wisconsin-La Crosse, 2003, his master’s degree at Barry University, 2005, his Ph.D. in Experimental Psychology at the University of Cincinnati, 2009, and trained as a post-doctoral research associate at Brown University, 2013. Prior to his arrival at UNC, Adam served as an Assistant Professor in the Department of Pediatrics at the University of Cincinnati College of Medicine and as the Director of Research Education in the Division of Sports Medicine at Cincinnati Children’s Hospital.
Adam‚'s research takes a complex systems approach to primary and secondary prevention of sport TBI and he integrates innovative mixed-reality and artificial intelligence technologies within a novel precision medicine framework to improve training and clinical outcomes. His expertise in behavioral dynamics and AI provides an innovative approach to measuring, modeling and analyzing the complexity of healthy and pathological human performance in a variety of contexts. Adam is a co-inventor of a patented real-time biofeedback technology for sport injury prevention ,and is currently funded by a Trailblazer Award from the National Institutes of Biomedical Imaging and Bioengineering to develop a behavior-based precision and personalized medicine mixed-reality simulation platform to help athletes return to play safely following injury.

Kristen L. Kucera
Ph.D., MSPH, ATC, LAT
Kristen Kucera is an Associate Professor in the Department of Exercise and Sport Science at The University of North Carolina at Chapel Hill, Core Faculty with the Injury Prevention Research Center, and the Director of the National Center for Catastrophic Sport Injury Research at UNC-CH. She joined the faculty in 2013 after serving as an assistant professor in the Division of Occupational and Environmental Medicine at Duke University Medical Center. Kristen received her undergraduate degree, BS, 1994, in Athletic Training at Linfield College, McMinnville, OR. She completed her master's, MSPH, 2002, and doctoral, Ph.D., 2006, degrees in the Department of Epidemiology, School of Public Health at The University of North Carolina at Chapel Hill.
An epidemiologist and certified athletic trainer, Kristen's research interests include sport and occupational injury epidemiology with an emphasis in musculoskeletal disorders, ergonomics, and return to work. Evaluation and improved surveillance for sports and work-related injuries are another area of current focus. She has had funding from the National Institute for Occupational Safety and Health (NIOSH) to examine work-related injuries among certified athletic trainers and predictors patient lift equipment among nursing staff and the National Operating Committee on Standards for Athletic Equipment (NOCSAE) to expand surveillance methods for catastrophic sports injuries.

Stephen W. Marshall
Ph.D.
Stephen Marshall is Director of the Injury Prevention Research Center and Professor of Epidemiology in the Gillings School of Global Public Health at UNC, and is a core faculty member in the Gfeller Center. Stephen completed his undergraduate studies in Mathematics at the University of Canterbury, Christchurch, New Zealand, in 1987. In 1989, he completed a Post-Graduate Degree in Biometrics and Field Experimentation at Lincoln University, Canterbury, New Zealand. He completed his Ph.D. in Epidemiology at the University of North Carolina at Chapel Hill in 1998.
In his capacity as Director of the Injury Prevention Research Center, he oversees a nationally-recognized injury prevention research center that has been funded by the CDC as one of the nation's 9 centers of excellence in injury prevention research. He has expertise in injury prevention and control, epidemiological studies of sports injury, and in the statistical analysis of sports medicine data. His areas of research within sports medicine include injury surveillance systems, design and analysis of randomized trials and observational studies, survival analysis, longitudinal data analysis, and intervntion devlopment and evaluation. He has worked with faculty and students at the Matthew Gfeller Center for over decade in a wide range of studies addressing concussion incidence, management, and prevention.

Madison C. Chandler
PhD
Madison Chandler is a postdoctoral research associate in the Matthew Gfeller Center and the STAR Heel Performance Lab. Madison graduated with a degree in Psychology from the University of North Carolina at Chapel Hill in 2017 and earned her PhD in Kinesiology from Michigan State University in 2021. Her research uses psychological, physiological, and neuroelectric measures to understand how health behaviors (e.g., physical activity, sleep) and health-related attributes (e.g., aerobic fitness) can be leveraged to optimize concussion recovery and cognitive functioning across the lifespan.
Aaron M. Sinnott
PhD
Aaron Sinnott is a Postdoctoral Research Associate in the Matthew Gfeller Center at UNC-Chapel Hill. He completed his BS (Athletic Training) from Sacramento State University, 2013, an MS (Exercise Science) from Humboldt State University, 2015, and a PhD (Rehabilitation Science) from the University of Pittsburgh, 2021. He was a site coordinator for the NCAA-DoD CARE Consortium Project and a lecturer at Humboldt State University (2015-2017). His research interests include the effects of aerobic exercise on neurocognitive, vestibular, ocular, and somatosensory function across post-concussion recovery milestones.
Aidan Finegan
BA
Aidan joins the Matthew Gfeller Center as a Social/Clinical Research Assistant. Aidan completed her Bachelor of Science in Psychology with a minor in Neuroscience at the University of Mary Washington. She plans to obtain a PhD in Clinical Psychology.

Paula Gildner
MPH
Paula serves as the Project Manager for the Pragmatic Rehabilitation Intervention to Supplement Progressive Return to Activity following Mild Traumatic Brain Injury in Service Members and the Popular Opinion Leaders as a Sports Concussion Prevention Strategy in Middle Schools Study. Paula is responsible for implementing these studies and the overall day-to-day operations. She works on these studies in conjunction with IPRC. Paula completed her undergraduate degree in Latin American Studies and her Master’s in Public Health, Health Behavior at the Gillings School of Global Public Health at UNC-Chapel Hill.

Ryan MacPherson
MS
Ryan serves as the Assistant Director of Technical Development for the Matthew Gfeller Center and the STAR Heel Lab. Ryan's primary focus is the development of mixed reality applications and technical pipelines. His research interests are in sport simulation, injury prevention, and concussion prognosis. He received his undergraduate degree in Information Systems and his Master's in Applied Neuromechanics from UNC-Greensboro.

Laura Malcolm
BA, CCRC
Laura serves as a Certified Clinical Research Coordinator for the Matthew Gfeller Center. She coordinates site visits for military projects and manages all the athletes' baseline testing. Laura completed her undergraduate degree in Psychology from The University of North Carolina at Chapel Hill.

Maryalice Nocera
MSN, PNP, RN
Maryalice currently serves as the Project Manager for The Assessing & Tracking Tactical (ATTAC) Forces Initiative. Maryalice is responsible for implementing and monitoring the day-to-day operations of this study. Maryalice completed her undergraduate degree in nursing at Duquesne University and her Master’s in Parent Child Nursing at the University of Michigan.

Mel'leeah Robinson
BA
Mel'leeah serves as the Lead Research Assistant for the Brain & Body Health Program in the Center for the Study of Retired Athletes (CSRA). CSRA works in conjunction with the Matthew Gfeller Center. She is responsible for assisting with clinical care coordination, assisting with various research studies, and day-to-day operations. Mel'leeah completed her undergraduate degree in Exercise and Sport Science at The University of North Carolina at Chapel Hill.

Charles Van Dyke
Charles joins the Matthew Gfeller Center as a Research Assistant, primarily working with the Varsity UNC Football team to study Head Impact Biomechanics in College Football under Jason Mihalik, PhD, and Aaron Sinnott, PhD. Charles completed his Bachelor of Arts in Biology with minors in Chemistry and Neuroscience at the University of North Carolina at Chapel Hill in 2021. He plans to attend medical school.

Nikki C. Aitcheson-Huehn
BSc, MKin
Nikki is a third-year doctoral student in the Interdisciplinary Program in Human Movement Science. She graduated from Wilfrid Laurier University (Ontario, Canada) in 2017 with a Bachelor of Science degree in Kinesiology and a Master of Kinesiology degree in 2020. Her Master’s thesis focused on motor control and neurophysiology. Her current research interests focus on analyzing sport performance and injury in game-like scenarios with the use of innovative technologies in lieu of traditional in-lab data collection techniques.

Ling Beisecker
MS
Ling Beisecker is a doctoral student in Human Movement Science at UNC-Chapel Hill. Ling studies mental and physical health among various population (i.e., women's sport student-athletes, women of color, and student veterans) during transition into and out of college. Ling is particularly interested in the role of identity (i.e., academic, athletic, exercise) on depression, anxiety, and stress. Prior to starting at UNC, Ling worked in private practice as a Licensed Clinical Mental Health Counselor specializing in anxiety, relationships, and complex trauma. She completed her masters in mental health counseling from Philadelphia College of Osteopathic Medicine and bachelors in kinesiology & health sciences and psychology (double major) at the College of William and Mary.

Christine E. Callahan
MS, RYT-200
Christine is a fourth-year doctoral candidate in Human Movement Science. Her research interests include the psychotherapeutic components (specifically yoga, mindfulness, and exercise) of concussion rehabilitation and prevention. She is currently working on a dissertation project investigating the connection between concussion, stress, and mindfulness as well as projects related to active rehabilitation post-concussion and stigma surrounding concussion prevention and rehabilitation. Christine received her Bachelor of Arts degree in Psychology from Northwestern University (2016) and her Master of Science degree in Kinesiology from the University of Michigan (2019).

Brittany M. Ingram
MA, LAT, ATC
Brittany is a second-year doctoral student in the Interdisciplinary Program of Human Movement Science. She graduated from the University of Alabama with a Bachelor of Science in Athletic Training. She completed his Master of Arts in Exercise and Sport Science with a concentration in Athletic Training at the University of North Carolina at Chapel Hill in 2020. Her research interests include the psychosocial components of sport-related concussion prevention and education.

Jacob R Powell
MS, LAT, ATC
Jake is a doctoral student in the Interdisciplinary Program in Human Movement Science. He graduated from Ithaca College in 2017 with a Bachelor of Science in Athletic Training where he also competed for the varsity wrestling team. He completed his Master of Science in Kinesiology with concentration in Athletic Training at Temple University in 2019. Jake is interested in researching the relationship between the clinical presentation of brain injury and physiological recovery using neuroimaging and fluid biomarkers.

Dominic Willoughby
Dominic is a first-year doctorate student in the Interdisciplinary Human Movement Science program at UNC. He graduated from Elon University in 2019 with a B.S. in Exercise Science where he focused on the underlying biomechanical changes impacting injury risk following concussions. Following graduation, Dominic managed Elon's Department of Physical Therapy's biomechanics lab, and moved to DC to work in Children's National Hospital's Pediatric Neuropsychology division as a concussion clinic research assistant. Currently, Dominic is interested in better understanding the functional changes following concussion recovery, using cutting edge technology to assess risk-taking behavior, focus, and perceptual-motor efficiency.

Morgan Cloud
Morgan is one of two 2022-2023 Jenner Carey Bryan Undergraduate Research Fellows. She is a senior Exercise and Sports Science major with a minor in Sports Medicine. Morgan helps with a variety of ongoing studies in the Gfeller Center while working closely on a project evaluating the effects of psychotherapeutic components on concussion prevention and rehabilitation. Upon graduation, she plans to attend graduate school to obtain a DPT degree. As a licensed physical therapist, she hopes to continue working with the military or sports populations.
Thalia Hernandez
Thalia Hernandez is the 2022-2023 Guskiewicz Undergraduate Research Fellow in the Center for the Study of Retired Athletes. She is a Junior majoring in Exercise and Sports Science with a minor in Neuroscience. Thalia assists with various CSRA research projects in hopes of developing her own research study. She aspires to become an Orthopedic Physician Assistant with a speciality in Sports Medicine.
Marina Torras
Marina is one of two 2022-2023 Jenner Carey Bryan Undergraduate Research Fellows. She is a senior majoring in Exercise and Sports Science and Chemistry and minoring in Sports Medicine.Marina assists with a variety of ongoing research projects while formulating her own senior honors thesis. After graduation, she plans on taking a gap year helping medically underserved populations abroad prior to attending medical school.
Andrew Alexander
BS, MD, 2019
Andrew completed his 1-year TBD Fellowship in the Matthew Gfeller Sports-Related Traumatic Brain Injury Research Center. He is currently completing his medical degree in the UNC-Chapel Hill School of Medicine.

Nikki E. Barczak-Scarboro
PhD, 2020
Nikki is a research scientist in the Biobehavioral Sciences Lab in the Naval Health Research Center’s Warfighter Performance Department. She graduated from UNC-CH in 2015 with Bachelor of Arts degrees in Psychology and Exercise and Sport Science with a minor in Anthropology. Nikki competed on the varsity swim team before medically retiring due to injury. She completed her Master of Science in the Psychology of Sport in 2016 from the University of Stirling, Scotland. She completed her Doctor of Philosophy at UNC-CH in 2020 with the Matthew Gfeller Center. Her dissertation was titled “Combat-Related Stressors on Special Operations Forces Combat Service Members’ Resilience and Mental Health”. Nikki's research areas include psychophysiological resilience and its components specifically in military populations..

Adrian Boltz
BS,
Adrian is a research coordinator in the Matthew Gfeller Sport-Related Traumatic Brain Injury Center. He graduated from Appalachian State University in 2016 with a Bachelor of Science degree in Exercise Science and a minor in Chemistry. In 2018 he received his Master of Science in Health with a concentration in Exercise Science and Chronic Disease from the University of North Florida. His research interest includes sport related concussion symptomology in relation with return to play time.

Kody Campbell
Ph.D., 2019
Kody completed his doctoral studies under Dr. J. Mihalik in 2019 and is now a postdoctoral research fellow in the Department of Neurology at the Oregon Health & Science University

Anna Castellano
BS, BA, 2020
Anna is a Chapel Hill, NC native and is one of three Jenner Carey Bryan Undergraduate Research Fellows in the Gfeller Center. She is a senior Biomedical Engineering major with a second major in Spanish Literature and a minor in Chemistry. Anna plans to attend medical school following graduation. She has conducted an undergraduate research project through the CDC funded TRAIN study in the Gfeller Center and will be completing an honors thesis project during the 2019-2020 academic year. Her main research interests include medical imaging, concussion prevention and head impact device measurements.

Avinash Chandran
PhD,
Avinash was a Postdoctoral Research Associate in the Department of Exercise and Sport Science. He received his PhD in Epidemiology from The George Washington University in May 2018. Avinash’s research interests are in sports injury epidemiology, and particularly related to multifactorial modeling of injury outcomes. He is interested in reconciling potential interactions between sex and head impact biomechanics, as they relate to concussion outcomes. He is also interested in understanding the role of repetitive sub-concussive trauma in determining neurocognitive function over time.

Michael D. Clark
Ph.D., 2017
Michael Clark completed his doctoral studies under Dr. K. Guskiewicz in 2017. Michael has returned to the UNC School of Medicine to complete his medical training en route to completing his MD/PhD program.

Michael J. Cools
MD, 2018
Michael Cools completed his 5th year Neurosurgery Residency Research Fellowship, mentored by J. Mihalik in 2018. He is completing his residency at UNC-Chapel Hill and will be pursuing a pediatric neurosurgery fellowship upon completion.

Jamie DeCicco
BA,
Jamie was one of two 2018-19 Jenner Carey Bryan Undergraduate Research Fellows in the Gfeller Center. Jamie majored in Psychology & Neuroscience and minored in Biology and Chemistry while competing on UNC's varsity gymnastics team. She plans to attend medical school. Jamie coordinates a number of studies and assists in the weekly concussion clinic hosted in the Matthew Gfeller Center.

Emma J. Dums
BA, 2022
Emma was a research coordinator in the Matthew Gfeller Center and Center for the Study of Retired Athletes. She was a 2021-22 Jenner Carey Bryan Undergraduate Research Fellow in the Matthew Gfeller Center. Emma majored in Exercise and Sport Science and minored in Chemistry and Neuroscience. She plans to attend medical school in 2023.
Alaina Ehlers
MS,
Alaina Ehlers served as the Assistant Director for Clinical Operations for the Matthew Gfeller Center and the Center for the Study of Retired Athletes (CSRA). She currently resides in Wisconsin with her family.

Catherine Ford
PhD,
Cassie was a Postdoctoral Research Associate in the Department of Exercise and Sport Science. She received her PhD in Psychology and Neuroscience in 2016 from the University of North Carolina at Chapel Hill. Cassie’s research interests include reconciling basic experimental measures of cognition with those used in clinical prevention and treatment of traumatic brain injury. She is also interested in applying novel statistical methods and models, as well as neurophysiological and behavioral measures (such as EEG and fMRI) to better understand both concussion risk factors, and the neurocognitive consequences following injury.

Melissa A. Fraser
Ph.D., ATC, 2016
Missy Fraser completed her doctoral studies under Dr. K. Guskiewicz in 2016. Missy is now an Assistant Professor of Athletic Training in the Department of Health and Human Performance at Texas State University.

Caroline Ha
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Melissa Kay
Ph.D., 2019
Melissa completed her doctoral studies under Dr. J. Register-Mihalik in 2019. Melissa is now an Assistant Professor in the School of Health Professions at the University of Southern Mississippi.

Bradley J. Lauck
BA, 2022
Bradley was a 2021–22 Jenner Carey Bryan Undergraduate Research Fellow in the Matthew Gfeller Center. Bradley majored in Exercise and Sport Science and minored in Chemistry and Military Science and Leadership. Bradley was an Army ROTC Cadet, and is a member of the North Carolina Army National Guard. He is currently working as a research coordinator in the Department of Orthopedic Surgery and plans to attend medical school in 2023.
Robert C. Lynall
Ph.D., ATC, 2016
Rob Lynall completed his doctoral studies under Dr. J. Mihalik in 2016. Rob is now an Assistant Professor in the Department of Kinesiology at the University of Georgia.

Avanish Madhavaram
BS, 2020
Avanish is a senior undergraduate student from Waxhaw, NC and is one of three Jenner Carey Bryan Undergraduate Research Fellows at the Gfeller Center. Avanish is majoring in Biology & Exercise and Sports Science, with a minor in Chemistry. He plans to attend medical school a year following graduation, with a hope of pursuing physiatry or family medicine. Avanish is guided by an interest in alleviating barriers to health services in underserved populations, and medicine that values improving quality of life. His research interests include psychosocial outcomes of sub-concussive head impacts and the efficacy of active rehabilitation/treatment following concussion.

Aliza K. Nedimyer
PhD, LAT, ATC, 2022
Aliza graduated from the Interdisciplinary Program of Human Movement Science in 2022. Her research broadly explored the roles of stakeholders on injury prevention and sport safety in athletes across the lifespan. Aliza will join the EXSS faculty as a Teaching Assistant Professor in July 2022.

Weston Northam
MD, 2019
Wes Northam completed his 5th year Neurosurgery Residency Research Fellowship (mentor: J. Mihalik) in 2018. He is completing his residency at UNC-Chapel Hill and will be pursuing a pediatric neurosurgery fellowship upon completion.

Caroline Parrot
BA, 2020
Caroline is a senior undergraduate student from Salisbury, NC. She is one of three Jenner Carey Bryan Undergraduate Research Fellows in the Gfeller Center. Caroline is a Psychology major with a minor in Exercise and Sport Science, and plans to go to PA School after graduation. Eventually, she hopes to work in pediatric primary care. Along with working in the Gfeller Center, Caroline is an Undergraduate Learning Assistant for Dr. DeFreese's Sport Psychology class and also volunteers in the Pediatric Hematology and Oncology Unit in the Cancer Hospital. Caroline is interested in pupillary reactions after concussions, as well as pediatric development post-injury.

Camryn Petit
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Johna K. Register-Mihalik
Ph.D., LAT, ATC, FACSM, 2010
Johna Register-Mihalik completed her doctoral studies under Dr. K. Guskiewicz in 2010 and postdoctoral research fellowship in 2011. Johna is now an Associate Professor in the Department of Exercise and Sport Science at the University of North Carolina at Chapel Hill, and core faculty member of the Matthew Gfeller Center and Co-Director of the STAR Heel Performance Laboratory here at UNC-CH..

Patricia R. Roby
Ph.D., ATC, 2020
Tricia is a postdoctoral research fellow at Center for Injury Research and Prevention at Children's Hospital of Philadelphia. She graduated from the University of North Carolina at Chapel Hill in 2012 with a Bachelor of Arts degree in Exercise and Sport Science with an emphasis in Athletic Training. After graduation, she worked as a certified athletic trainer at Tuscarora High School in Frederick, MD. She completed her Master of Education in Kinesiology from the University of Virginia in 2015. She was a research coordinator in the Matthew Gfeller Center at UNC-CH in 2016 and then stayed on to complete her Doctor of Philosophy in the Interdisciplinary Program in Human Movement Science. Her research interests include cerebrovascular function and pediatric concussion.

Ashley C. Santo
Ph.D., ATC, 2015
Ashley, Littleton, Santo completed her doctoral studies under Dr. K. Guskiewicz in 2015. Ashley is now an Assistant Professor in the Department of Kinesiology at Towson University.

Kenan G. Sayers
BS, 2022
Kenan was the 2021-2022 Inaugural Guskiewicz Undergraduate Research Fellow in the Center for the Study of Retired Athletes. Kenan majored in Psychology and minored in Exercise & Sport Science and Hispanic Studies. He is pursuing a PhD in Clinical Psychology at Michigan State University in 2022.
Julianne D. Schmidt
Ph.D., ATC, 2013
Julianne, Toler, Schmidt completed her doctoral studies under Dr. K. Guskiewicz in 2013. Julianne is now an Assistant Professor in the Department of Kinesiology at the University of Georgia.

Stephen Smith
TBD,
Stephen is a recent Biology graduate from UNC joining the Gfeller Center and CSRA as a post-baccalaureate research assistant. His involvement at the Center includes ARC/CSC baseline testing, BBHP/MWA, and NFL Long. Stephen plans to attend medical school next fall and hopes his time with us will be an excellent learning experience.

Bridget Sturch
Med, ATC, Cfo,
Bridget is a research coordinator in the Matthew Gfeller Center. She graduated from the University of Northern Iowa with a Bachelor of Arts in Athletic Training and a Bachelor of Arts in Movement and Exercise Science Emphasis: Sport Psychology in 2014. As a Graduate Assistant Athletic Trainer at the University of Minnesota, she completed her Masters of Education, Applied Kinesiology Sport Management Professional Studies Track in 2016. She coordinates Military projects and the NCAA-DoD Grand Alliance: Concussion Assessment, Research and Education, CARE, Consortium.

Christina B. Vander Vegt
Ph.D., ATC, 2020
Tina is a research scientist for the Fort Carson TBI Center of Excellence She graduated from Metropolitan State University of Denver in May 2013 with a Bachelor of Science in Athletic Training. She completed her Master of Science in Athletic Training in August 2015 at Texas State University and went on to gain additional experience in a Post-Professional Residency in Athletic Training at Ben Hogan Sports Medicine in Ft. Worth, TX. She completed her Doctor of Philosophy in the Interdisciplinary Program in Human Movement Science at UNC-CH. Tina is interested in visual impairment following concussion and pupillary response changes as a physiological indicator of cognitive workload following sport-related concussion.

Samuel R. Walton
PhD, Postdoc, 2022
Sam Walton was a Postdoctoral Research Associate with the Center for the Study of Retired Athletes, Matthew Gfeller Center, and the Cognitive Neuroscience of Memory Laboratory at the University of North Carolina at Chapel Hill. He has accepted a position at the Virginia Commonwealth University School of Medicine

Erin B. Wasserman
Ph.D., 2016
Erin Wasserman completed a one-year postdoctoral research fellowship under Dr. J. Mihalik in 2016. Erin is now the Director of the NCAA Injury Prevention Program at the Datalys Center for Sports Injury Research and Prevention.

Nicole Welch
,