Meet Our Expert Team

Christopher Giza, MD
Director, UCLA Steve Tisch BrainSPORT Program

Dr. Giza leads the Pediatric TBI/Sports Concussion program at UCLA. Eminently qualified, he served as Vice-Chair for the California State Athletic Commission, traveled to Afghanistan in 2011 as a civilian advisor to the Department of Defense and Co-Chaired the American Academy of Neurology’s committee, which developed an evidence-based Practice Guideline for Management of Sports Concussions in 2013. Dr. Giza serves on the Center for Disease Control’s Pediatric mild TBI committee, the NCAA Concussion Task Force and the Major League Soccer Concussion Program Committee. He is currently a Professor of Pediatric Neurology and Neurosurgery at the David Geffen School of Medicine and UCLA Mattel Children’s Hospital.

A graduate of Dartmouth College, Dr. Giza received his M.D. from West Virginia University and completed his internship at the University of Pennsylvania. He then trained in Adult and Pediatric Neurology at UCLA, after which he worked on the Yosemite Search and Rescue team. In 1998, he returned to UCLA and joined the Brain Injury Research Center in the Department of Neurosurgery. His research interests include neuroplasticity, recovery from injury, sports-related concussions, post-traumatic epilepsy and brain development. More »

Meeryo Christa Choe, MD
Neurologist, Specialized in Sports Concussion and TBI
Associate Director, UCLA Steve Tisch BrainSPORT Program

Dr. Choe grew up in the Los Angeles area, traveled east to attend Amherst College, and then returned to L.A. to attend medical school at USC. She came to UCLA in 2004 for a pediatrics residency and child neurology fellowship. After completing training, Dr. Choe combined her personal interest in sports with her professional interest in the developing brain by serving as a Neurotrauma/Sports Neurology Fellow at UCLA with Dr. Christopher Giza. Her clinical and research interests include post-traumatic headache/migraine, gender differences in outcome after concussion, and dysautonomia

An avid equestrian competing in show jumping and former swimmer, Dr. Choe coaches at a local high school as well, giving her a unique perspective on an athlete’s desire to return to his/her sport and the outside pressures they might experience. More »

 

Adam Darby, MD
UCLA Neurology Faculty
UCLA Steve Tisch BrainSPORT Fellow ‘17

Dr. Adam Darby spent the first 21 years of his life in the North of England, where he received his undergraduate education in both academics and sports, emerging with a degree in environmental sciences from Durham University. His introduction to the United States was as a soccer and later rugby coach, while he taught high school sciences and attended night classes at UCLA to complete his pre-med requisites. Dr. Darby trained for his medical degree in the U.K., the Caribbean, and the U.S. Drawn toward degenerative neurologic diseases; he completed his neurology residency at the University of Vermont Medical Center. He noted early in his residency the lack of appropriate neurologist involvement in sports concussion management and, in his words, “my future career direction became clear.” He views this practice as a mission to protect two of his loves: the brain and sports.

 

Josh Kamins, MD
Health Sciences Assistant Clinical Professor UCLA Neurology
UCLA Steve Tisch BrainSPORT Fellow ‘18

Dr. Joshua Kamins is originally from the Bay Area where he found an interest in medicine as a member of the Marin County Search and Rescue team. He then attended the University of Pennsylvania where he graduated with honors in the Biological Basis of Behavior. His undergraduate research studies led to publications on the role of the NMDA receptor in Schizophrenia. From there, he returned to California to live in San Diego, where he joined a neurodegenerative disease lab at the Burnham Institute for two years to research neuroprotective compounds.. He stayed in San Diego to attend medical school at the University of California, San Diego. Dr. Kamins completed his preliminary medicine intern year at California Pacific Medical Center in San Francisco before arriving at UCLA for Neurology residency. He found a way to unite his interests in Sports Medicine and Neurology, completing a Headache Medicine and Sports Neurology fellowship at UCLA. His current research interests include investigating treatments for post traumatic headaches and reclassifying concussion by degree of certainty, while his clinical interests consist of treating migraine, post traumatic headaches, and post concussion syndrome.

Robert Asarnow, PhD
Professor, Clinical Psychology

Dr. Asarnow’s research is studies examining the neurobehavioral sequelae of traumatic brain injuries in children and adults. These are prospective, epidemiological studies that assess language, cognition and school and adaptive functioning in children and adults who have suffered significant traumatic brain injuries. More »

Talin Babikian, PhD, ABPP
Associate Director, UCLA Steve Tisch BrainSPORT Program

Talin Babikian is a board certified clinical neuropsychologist and Associate Clinical Professor in the Division of Child and Adolescent Psychiatry within the Semel Institute for Neuroscience and Human Behavior. Dr. Babikian earned a doctoral degree in Clinical Psychology with an emphasis in Neuropsychology from Loma Linda University in 2005. She completed a predoctoral internship at the then-UCLA Neuropsychiatric Institute (today’s Jane and Terry Semel Institute for Neuroscience and Human Behavior at UCLA), focusing on developmental disabilities and pediatric neuropsychology. Dr. Babikian is actively involved in research using novel neuroimaging techniques to understand neurocognitive outcomes and the course of repair and recovery following a brain injury in childhood and has authored multiple publications on this topic, including a comprehensive meta- analysis summarizing the state of the current literature on head injury outcomes. She also has developed expertise in outcomes and their predictors following mild brain injury or concussions in youth, and helped develop the multi-disciplinary sports related concussion clinic at UCLA to serve the neurological/medical, cognitive/academic, and psychosocial needs of children, adolescents, and adults with sports-related injuries. More »

 

Doug Polster, PhD
Clinical Instructor, UCLA Department of Neuroscience and Human Behavior, Neuropsychology Div.
UCLA Steve Tisch BrainSPORT Fellow ‘17

Doug Polster is sports neuropsychologist and Clinical Instructor in the Division of Neuropsychology within the Semel Institute for Neuroscience and Human Behavior. He is a graduate of Johns Hopkins University and received his doctoral degree in clinical psychology, with an emphasis in sports and health psychology, from Nova Southeastern University in 2015. He completed his predoctoral internship at Broward Health Medical Center and went on to pursue a specialization in sports neuropsychology on his postdoctoral fellowship at the UCLA Steve Tisch BrainSPORT Program. While on fellowship, Dr. Polster created and implemented a novel treatment program designed at assisting athletes with prolonged post-concussion symptoms with successful return to their sport. His approach combines traditional sports psychological treatment with exercise therapy in order to help his patients regain control over their recovery. He has also been active in the development of a research protocol designed to provide home-based treatment for individuals with prolonged post-concussion symptoms. Dr. Polster has been an athlete for his entire life and brings his passion for sports into every clinical visit. As a former basketball player at Johns Hopkins University, he understands the competitive nature of sports as well as the desire to return to play after injury. He remains active within the athletic community and serves as the director of a local fitness club whose mission is to inspire health and happiness through collective fitness.

 

Madison Harris, OTD
Occupational Therapist

Dr. Madison Harris is a board certified occupational therapist and Los Angeles native. She earned her Bachelors of Science in Occupational Therapy in 2016, her Masters of Science in Occupational Therapy in 2017, and her Occupational Therapy Doctorate in 2018, all from the University of Southern California (USC). She has always had a passion for working with athletes, specifically those who are recovering from an injury or transitioning into retirement. During her undergraduate studies, Madison worked closely with the USC football team, serving as an intern athletic trainer for the team. She completed her doctoral residency with the UCLA Steve Tisch BrainSPORT program developing an occupational therapy program focused on addressing symptom management with pediatric patients who have sustained a concussion. Madison continues to combine her love for pediatrics, sports and occupational therapy, helping children return to the activities they want and need to do on a daily basis after injury. She is proud to be a member of the UCLA Steve Tisch BrainSPORT Team.

 

Constance Deering, MA
Assistant Director, UCLA Steve Tisch BrainSPORT Program

Constance Deering is a project manager with 10 years of experience working within the context of higher education in various capacities including: academic outreach, admissions, financial aid and student affairs. While receiving her B.A. in Political Science at UCLA, Constance worked for academic outreach programs aimed at enhancing academic performance and expanding postsecondary educational opportunities for California's educationally underserved youth populations. Upon graduation, Ms. Deering completed a year of service with AmeriCorps Vista where she designed programs aimed at fighting poverty, through education, in the South Central Los Angeles area. Subsequently, Ms. Deering received her M.A. in Higher Education Administration from Boston College and went on to coordinate services and academic programming at Boston College, Harvard and MIT. Her commitment to educational outreach and engagement brought her to the UCLA Steve Tisch BrainSPORT Program where she works to increase awareness of traumatic brain injury and sports concussions by assisting with the development of partnerships and program expansion with local schools.

 

Yena Kim, MSW
Senior Staff Research Coordinator

Yena Kim graduated from UCLA with her bachelors in Political Science, followed by a Master of Social Welfare in 2014. She has worked with various populations from transitional aged youths to geriatrics within research prior to her joining the BrainSPORT team. Yena’s personal interest in neuroscience and research has brought her to the lab in which she hopes to expand her knowledge in brain injuries. During her free time, she enjoys reading, spending time with her cats, and practicing muay thai.

 

Philip Rosenbaum
Clinic and Research Coordinator, UCLA Steve Tisch BrainSPORT Program

Philip Rosenbaum graduated in 2015 from UCLA with a Bachelor’s of Science in Neuroscience and a minor in Philosophy. While studying at UCLA, Philip played Division 1 and club water polo, which led to his interests in sports related injury prevention and treatment. Philip’s passion for sports, health, neuroscience research and outreach brought him to become a part of the Tisch BrainSPORT Volunteer Club and through his involvement in the community, he subsequently became a member of the Steve Tisch BrainSPORT Program team, as program coordinator. While at UCLA, Philip also volunteered for the Peer Health Exchange, a non-profit organization that delivers educational health clinics to underserved high schools in the Greater Los Angeles community. When he is not working, he is likely enjoying the Los Angeles weather on the beach or in the mountains. Philip plans to pursue a medical degree in the future.

 

Christopher Sheridan, CSCS
Clinical Research Coordinator, UCLA Steve Tisch BrainSPORT Program

Christopher Sheridan earned his BS in Biochemistry & Philosophy with honors from Boston College in 2013. As a Gabelli Presidential Scholar at BC, Chris developed his passion for neuroscience both in the classroom and in the lab, winning a Barry Goldwater Scholarship to pursue research in neuroimaging. Chris finished his undergraduate career completing a Scholar of the College Thesis defending a critique of the DSM-5 and working to develop novel PET tracers to examine diseases of the central nervous system at the A.A. Martinos Center in Charlestown, MA. Upon graduation, Chris moved back home to Baltimore, MD and began work at Johns Hopkins Hospital on PET-based studies assessing neuroinflammatory markers and tau deposition in current and retired NFL players. An avid track and field athlete in high school and college, Chris is also a Certified Strength and Conditioning Specialist (NSCA-CSCS) and coached varsity football and track & field for four years at the Gilman School in Baltimore, MD. Chris’ experience coaching led him to join BrainSPORT in an effort to advance scientific knowledge and clinical management of concussion and to help make sports as safe as possible for athletes of all ages.

 

Janet Kor
Administrative Coordinator

Ms. Kor has worked for the Department of Pediatric Neurology since 2008. She has administratively supported the BrainSPORT program since its inception and is responsible for coordinating patient visits. Janet triages concussion patient inquiries in order to determine what neurocognitive services are needed. In addition, Ms. Kor helps direct various services in order to make sure all patients are seen in a timely fashion and receive the best comprehensive and individualized care with our medical team.

David Hovda, PhD
Vice Chair of Academic Affairs
Director, UCLA Brain Injury Research Center

In 1989, Dr. Hovda was recruited by the Department of Neurosurgery to direct its scientific efforts to understand the cellular pathophysiology of brain injury. This work resulted in providing the backbone for UCLA being recognized as a "Center of Excellence" by the National Institutes of Health. Dr. Hovda has received a number of awards for his research on brain injury and recovery of function, including the 1991 National Head Injury Foundation Award, the Giannini Foundation Award, the Benjamin Franklin Haught Memorial Award and was named the Lind Lawrence Eminent Scholar for his work on the topic of Traumatic Brain Injury and the 2006 Women in Neurotrauma award for his teaching and support of women in neuroscience. Dr. Hovda is the Director of the UCLA Brain Injury Research Center. He is past President of the National Neurotrauma and International Neurotrauma Societies. He has served as Chair of study sections for the National Institute for Neurological Disease and Stroke (NINDS). 

Dr. Hovda is internationally known for his translational work on the pathobiology of traumatic brain injury and has devoted most of his career to understanding the mechanisms of recovery of function.  More »

Mayumi Prins, PhD
Associate Director, UCLA Steve Tisch BrainSPORT Program
Director, BIRC Outreach & Education Programs, Department of Neurosurgery

Dr. Prins’s research interests include understanding the changes in brain metabolism that occur after pediatric traumatic brain injury and how alternative fuels can be used as therapeutic options for the young brain after head injury. In addition to this main focus, she is interested in repeat mild head injuries as they apply to both children and young adult athletes.

Neil Harris, PhD
Associate Professor, Department of Neurosurgery

Dr. Neil Harris has worked within the fields of hydrocephalus, stroke and traumatic brain injury. The major theme of his current research at UCLA is understanding the potential for plasticity and function after trauma utilizing both light microscopy cell biology techniques as well as in vivo neuroimaging methodologies.

 

Tara Sharma, DO
UCLA Steve Tisch BrainSPORT Fellow ‘20

Dr. Tara Sharma grew up in La Canada, California where she spent most of her early years as a competitive figure skater competing in regional and national level competitions. She continued her love for sports in High School and College as a Cross Country and Track runner and still holds many records at her High School. After receiving her undergraduate degree in Biology at Claremont Mckenna College, Dr. Sharma worked in a molecular neurology lab at the Huntington Medical Research Institute in Pasadena, CA on a project targeting enzymes involved in pathways implicated in the transmission of migraine pain. She subsequently pursued further educational training in New York, where she completed her Master’s Degree in Biomedical Sciences at Mount Sinai School of Medicine.  She remained in New York and completed her medical school training at New York College of Osteopathic Medicine. During her time there she was active in community outreach and provided healthcare to local communities in Ghana, Africa.  After that she completed her residency training in Neurology at Cleveland Clinic Foundation where she focused on research in Headache, Dementia, and Small Fiber Neuropathy.  Given her sports background, clinical training, research, and community service experience, Dr. Sharma knew she wanted to combine her passion for all of these aspects in her fellowship training.

 

Kevin Bickart, MD, PhD
UCLA Steve Tisch BrainSPORT Fellow ‘21

Kevin Bickart grew up playing football from the age of 9 where he had some of his most formative and inspiring experiences. In that time, he also saw first-hand many devastating sports-related injuries, including many head injuries and repetitive head impacts that could have been prevented or more optimally managed. Kevin went on to earn his undergraduate degree in neuroscience from Quinnipiac University and MD/PhD in Anatomy and Neurobiology from Boston University School of Medicine because of his interest in the brain’s role in optimal health, performance, and human cognition, mood, and behavior. During his PhD studies, and as a cofounder and consultant of health technology startup businesses, he investigated the neuroanatomy of social networks in healthy people and social impairments in people with frontotemporal dementia as well as the neurophysiology of team chemistry in Division I team sports. Kevin completed his residency in neurology from Stanford University where he also studied the neuroimaging biomarkers of traumatic brain injury, particularly the vulnerability of brain networks to trauma as well as the genetics of these networks. He is excited to combine his interests by specializing in both Sport and Behavioral Neurology at UCLA. Here, he will continue dedicated clinical care of patients with brain injury and dementia while also carrying forward his research on the brain networks, genetics, and novel therapeutics relevant to these conditions.

 

Rachel Pearson, MD (2019-2021)
UCLA Steve Tisch BrainSPORT Fellow ‘21

Dr. Rachel Pearson grew up in Memphis, Tennessee and received her B.A. in History from Washington University in Saint Louis. During this time she studied abroad in Israel and interned at the Center for Familial Dysautonomia at Hadassah Medical Center. After obtaining her undergraduate degree, she attended the Medical College of Wisconsin and completed her M.D. There, she researched parental understanding of abnormal newborn screening results and was deeply involved in community outreach, developing patient education curricula for the Saturday Free Clinic for the Uninsured, the Teen Crisis Center, Milwaukee Women’s Center, and Milwaukee Public Schools. After medical school she completed residency training in Pediatric Neurology at UC Irvine and Children’s Hospital Orange County, where she developed a special interest in pediatric traumatic brain injury (TBI) and published research on pediatric posttraumatic headache. Additional research interests include the role of sleep in recovery after TBI and autonomic dysfunction after TBI. She is excited to further pursue her clinical and research interests as a fellow in the Steve Tisch BrainSPORT Program. Outside of medicine, her interests include dance, baking, and travel.

 

Jesse Fisher, PhD
UCLA Steve Tisch BrainSPORT Fellow ‘21

Dr. Fischer is a Los Angeles native who earned his B.A. in Psychology and minored in Kinesiology at Occidental College. As a collegiate football player, Dr. Fischer's passion in sports concussion and traumatic brain injury grew out of a desire to help athletes return to competition and continue to reach their goals in and out of sports. Following these interests, he trained at the UCLA BrainSPORT Program before completing his doctoral degree in the neuropsychology track of the clinical psychology program at University of Houston. While at UH, Dr. Fischer investigated sleep, depression, anxiety, and self-regulation difficulties following pediatric traumatic brain injury, as well as related changes in white matter circuitry. Clinical settings at UH included inpatient and outpatient rehabilitation, as well as general and integrated outpatient placements. He completed his predoctoral internship in pediatric neuropsychology at the UCLA Semel Institute, and is thrilled to have re-joined the BrainSPORT program as a postdoctoral fellow. Dr. Fischer's research interests focus on neural correlates of neuropsychological sequelae following TBI, as well as interventions to enhance recovery from sports concussion and more severe TBI.

 

Dorothy Harris, MD, PhD
UCLA Steve Tisch BrainSPORT Fellow ‘19

Dr. Harris is a California native who received her B.S. in Biology from the University of Maryland Eastern Shore. She returned to California and completed her Ph.D. in Neuroscience at UCLA studying molecular mechanisms of brain repair in the adult brain. She remained at UCLA to complete a postdoctoral fellowship in Health Services Research. Her postdoctoral work exploring challenges to management of dementia in primary care was used by the US Department of Health and Human Services’ Healthy People 2020 to develop national guidelines for dementia care. After completing a successful postdoctoral fellowship, Dr. Harris entered medical school and completed her medical degree and intern year at Loma Linda University Medical Center. She returned to UCLA and completed residency training in Neurology in June 2018. Dr. Harris is the second UCLA Neurology resident to enter a dual fellowship in the Tisch BrainSPORT and Goldberg Migraine programs, and is excited to combine her clinical training, scientific curiosity, and passion for community service to address community-based disparities and challenges in concussion and headache.

 

Julia Kerrigan, MD
UCLA Steve Tisch BrainSPORT Fellow ‘18

Dr. Julia Kerrigan grew up in Minnesota before traveling to California to play basketball at Santa Barbara's Westmont College where she was a four year starting center and All-American scholar athlete. After receiving her undergraduate degree, she accepted a clinical research position in Oslo, Norway where she investigated the influence of antibiotics on long term complications related to otitis media and presented her findings at an international conference in Paris, France in 2005. While in Europe, she was recruited to play Women's basketball and had the opportunity to play professionally while continuing her research. Dr. Kerrigan obtained her medical degree at the University of Minnesota Medical School where she remained active in research, community service, and athletics. In 2016, she completed her Adult Neurology Residency at Harbor UCLA Medical Center and thereafter joined the Tisch Fellowship Program where Dr. Kerrigan is able to combine her love for sports and medicine to help those with acute and chronic complications following concussion.

 

Rafael Romeu-Mejia, MD
UCLA Steve Tisch BrainSPORT Fellow ‘19

Dr. Rafael Romeu-Mejia was born and raised in Puerto Rico, where he completed his undergraduate and medical school degrees while being involved in community service and academics. He recently graduated from Physical Medicine and Rehabilitation (PM&R) residency at the VA Caribbean Healthcare System in San Juan, P.R. His experience with sports and personal injuries at a young age drove him to PM&R specialty, where he immediately grew interest in brain injury and multidisciplinary neuro-rehabilitation. By joining the Steve Tisch Sports Neurology-Neurotrauma Fellowship, Dr. Romeu-Mejia is able to combine his passion for community outreach, sports, and his background in rehabilitation medicine to help patients with complications following concussion.

 

Aliyah Snyder, PhD
UCLA Steve Tisch BrainSPORT Fellow ‘19

Dr. Aliyah Snyder is the UCLA Steve Tisch BrainSPORT Program Neuropsychology Postdoctoral Fellow. She specializes in brain injury and sports concussion at the Semel Institute for Neuroscience and Human Behavior. Dr. Snyder received her doctoral degree in the neuropsychology track of the clinical and health psychology program at the University of Florida. While at UF, she completed a predoctoral training fellowship in clinical and translational science (CTSI TL1) and founded Athlete Brain, a student-run organization dedicated to promoting concussion safety and awareness in the community. She completed her predoctoral internship at the Emory University School of Medicine in the adult and pediatric neuropsychology track. Dr. Snyder competed as a varsity coxswain on the men’s rowing team as an undergraduate at Florida Institute of Technology and then went on to coach rowing at the high-school and collegiate levels before competing internationally as a skeleton athlete. Dr. Snyder’s research interests and experience include translational models of post-injury neuroplasticity, biobehavioral interventions to enhance recovery from concussion, and prevention of persistent post-concussion syndrome.