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Marie VanTubbergen, PhD

Dr. Van Tubbergen joined the Department of Physical Medicine and Rehabilitation after completing a post-doctoral fellowship and a period of research projects in this same department. Dr. Van Tubbergen completed her graduate training at Central Michigan University in Clinical Psychology and completed her internship training at the University of Massachusetts-Amherst in the Counseling and Assessment center. Clinical interests focus on the ongoing development and growth of the Pediatric NeuroRehabilitation Program with an emphasis on the outpatient, multi-disciplinary rehabilitation team. Previous research includes the development of adapted techniques and accessible measures for use in neuropsychological assessment. Current interests include development of a concussion management clinic to examine treatment and intervention strategies targeting prolonged post-concussive symptoms. She provides supervision to fellows on the inpatient unit and on intervention rotations through the neurorehabilitation day treatment program.

Chris Williams is an Associate Athletic Trainer for the Men’s Basketball and Men’s Golf with the U-M Athletics Department. He joined Michigan Athletics in 2021 and has a professional interest in functional rehabilitation and injury prevention strategies.  Chris has a Master’s of Education from North Carolina State University and a Bachelor’s of Science of Athletic Training. Chris enjoys cooking, traveling, reading, and spending time with friends and family.

Dr. Claflin is the Associate Medical Director of Inpatient Rehabilitation and Director of the Stroke Rehabilitation Program. Dr. Claflin joined the University of Michigan faculty in 2013 and has been working to build inpatient and outpatient stroke rehabilitation programming, including leading an effort to achieve Joint Commission certification for the Inpatient Stroke Rehabilitation Program in 2017. As Associate Medical Director, he acts as a liaison to consulting services, works to ensure high-quality resident education during inpatient rotations, and assists with the administration of the inpatient rehabilitation unit.

Dr. Carol Persad is a Clinical Professor in Psychiatry with an Adjunct Professor appointment in Psychology. She is the Director of the Neuropsychology Program in the Department of Psychiatry and the Director of the University Center for Language and Literacy in the Mary A. Rackham Institute.

Dr. Persad trained as a Clinical Psychologist with a specialization in Neuropsychology and has focused both her clinical and research work on understanding cognitive changes that are associated with neurological disorders across the lifespan and the underlying neural pathways. Dr. Persad’s research interests focus more specifically on cognitive changes associated with aging and neurodegenerative disorders. She is currently a co-investigator on a number of grants funded by the National Institutes of Health (NIH), and Dr. Persad has published numerous scientific papers and given dozens of conference presentations. In addition, she is involved in the training of Postdoctoral Fellows in Neuropsychology, as well as interns, practicum students, and undergraduates in both clinical placements and research projects.

Andrea L. Aagesen is a clinical instructor in the Physical Medicine and Rehabilitation Department at the University of Michigan. Dr. Aagesen earned her Bachelor of Arts degree in athletic training at Purdue University while competing on the varsity golf team. She earned her Masters of Science degree at Indiana University Purdue University Indianapolis, and her medical degree at Midwestern University, Chicago College of Osteopathic Medicine, in Downers Grove, Illinois. She completed an internship at Botsford Hospital in Farmington Hills, Michigan. She completed her residency training in Physical Medicine and Rehabilitation followed by a sports medicine fellowship through the Department of Family Medicine at the University of Michigan. Dr. Aagesen is a member of the American Academy of Physical Medicine and Rehabilitation, American Medical Society for Sports Medicine, and American College of Sports Medicine. Dr. Aagesen provides sports medicine and rehabilitation services at the Burlington Office Physical Medicine and Rehabilitation Clinic and provides concussion management at the Michigan NeuroSport Program located in Domino’s Farms.  Dr. Aagesen serves as a team physician for Eastern Michigan University. She is board certified in Physical Medicine and Rehabilitation and has a Certificate of Added Qualification in Sports Medicine. Dr. Aagesen is also a team physician for Eastern Michigan and University of Michigan.

Dr. Gehring is a Professor Emeritus of Psychology with research interests in cognitive science, neuroscience, and event-related brain potentials. You can learn more about Dr. Gehring and his scholarly work at

Dr. Farnsworth was a fellow with NeuroSport before joining the Neurology Center of Southern California as a neurologist. He specializes in sports neurology. He has a clinical interest in neurologic diseases seen in athletes, including concussion, TBI, and post-concussion syndrome.

Dr. Ryan Bean is a clinical associate professor of physical therapy with the College of Health Sciences at the University of Michigan Flint campus.

Dr. Kiningham is a graduate of the University of Cincinnati College of Medicine in Ohio and completed his family practice residency at the U-M Medical School. He also received a master’s degree in exercise physiology from the University of California-Davis. He was the first primary care sports medicine fellowship graduate at the U-M Medical School Department of Family Medicine, and has a Certificate of Added Qualification in Sports Medicine. His special research interests include sports medicine, menstrual dysfunction, and non-surgical orthopaedic foot problems. He performs vasectomies, endometrial biopsy, toenail avulsions, simple dermatology procedures, joint aspirations and joint injections. He enjoys sports and music.

Paul Park, MD, is a Neurosurgeon specializing in spine care. Dr. Park’s clinical focus encompasses minimally invasive techniques, complex spinal reconstruction, and degenerative conditions such as spondylolisthesis, infection, spinal deformity such as scoliosis, and spinal tumors.

Before returning to Semmes Murphey Clinic, Dr. Park was a Professor of Neurosurgery as well as the Director of the Spine Program and Spine Fellowship Director at the University of Michigan in Ann Arbor where he practiced for nearly 17 years.

Dr. Park’s research interests are varied, including basic research on disc degeneration and spine-related cancer as well as clinical investigations into spinal surgery techniques and outcomes. He has been the principal investigator or co-investigator of numerous clinical trials involving spinal infection, minimally invasive surgery, spinal deformity, and spinal cord injury, among others. Dr. Park has published over 250 peer-reviewed articles in addition to numerous book chapters and edited two texts on spinal surgery. Dr. Park is also a frequently invited speaker nationally and internationally at scientific meetings on spine-related topics. He is an active member of multiple neurosurgical and spinal societies serving on numerous committees. Dr. Park serves or has served on the editorial boards of various neurosurgical and spine journals.