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Minds Matter Concussion Program Team
The Minds Matter Concussion Frontier team includes experts in pediatric concussion, sports medicine, neuropsychology, trauma, and engineering who support and consult with CHOP investigators to address research questions.To see a complete list including our clinical providers visit our clinical site.

Christina Master, MD
Clinical Director

Matthew Grady, MD, FAAP, CAQSM
Co-Clinical Director

Kristy B. Arbogast, PhD
Research Director

Daniel J. Corwin, MD, MSCE
Associate Director
Our Team
Daniel Corwin, MD, MSCE
Attending Physician, Division of Emergency Medicine and Center for Injury Research and Prevention Scholar
[email protected]
Carlyn Patterson Gentile, MD, PhD
Attending Physician, Division of Neurology and Senior Fellow, Center for Injury Research and Prevention
[email protected]
Akiva Cohen, PhD
Senior Fellow, Center for Injury Research and Prevention and Research Professor of Anesthesiology and Critical Care
[email protected]
Todd Kilbaugh, MD
Attending Physician, Pediatric Intensive Care Unit
[email protected]
Hakon Hakonarson, MD, PhD
Director, Center for Applied Genomics
[email protected]
Ronni Kessler, MSEd
Program Manager, Center for Injury Research and Prevention
[email protected]
Jeff Albaugh, PT, MS, ATC
Clinical Program Manager
Physical Therapy Supervisor, Sports Medicine and Performance Center
[email protected]
Matthew Grady, MD, FAAP, CAQSM
Attending Physician, Sports Medicine Specialist
[email protected]
Naomi Brown, MD, FAAP, CAQSM
Sports Medicine Pediatrician
[email protected]
Brian Vernau, MD, FAAP, CAQSM
Sports Medicine Pediatrician
[email protected]
Christopher Renjilian, MD
Attending Physician, Division of Adolescent Medicine and Division of Orthopedics
[email protected]
Mary Daley, MD, FAAP, CAQSM
Sports Medicine Pediatrician
[email protected]
Lindsey Calandra, MSN, CRNP
Nurse Practitioner, Division of Orthopedics
[email protected]
Katherine Easby, MS, LAT, ATC
Athletic Trainer, Sport Medicine and Performance Center
[email protected]
Michael Nance, MD
Director, Pediatric Trauma Program
[email protected]
Roni Robinson, MSN, CRNP
Nurse Practitioner, Division of Orthopedics
[email protected]
Mary Iampietro, PhD
Pediatric Neuropsychologist
[email protected]
Jamie Shoop, PhD
Pediatric Psychologist
[email protected]
Catherine C. McDonald, PhD, RN
Associate Professor of Nursing
Vice-chair, Department of Family and Community Health
Assistant Professor in Nursing in Pediatrics, School of Medicine
Senior Fellow, Center for Injury Research and Prevention
[email protected]
Douglas Wiebe, PhD
Professor of Epidemiology
Department of Biostatistics, Epidemiology and Informatics
Senior Fellow, Center for Injury Research and Prevention
[email protected]
Ian Barnett, PhD
Assistant Professor of Biostatistics
Department of Biostatistics, Epidemiology and Informatics
[email protected]
Douglas Smith, MD
Director, Penn Center for Brain Injury and Repair and Senior Fellow, Center for Injury Research and Prevention
[email protected]