Our Team
Principal Investigators & Department Heads
Walter Afable
MBA
Walter Afable is a healthcare executive with a wealth of experience in managing core and ancillary services in top rehabilitation hospitals...
David Armstrong
DPM, MD, PhD
Dr. Armstrong is Professor of Surgery at the University of Southern California. Dr. Armstrong holds a Masters of Science in Tissue Repair ...
Ziyad Ayyoub
MD
Ziyad Ayyoub, MD, is a renowned leader in the field of neurorehabilitation, serving as the Medical Director of Outpatient Specialty Care...
Nicole Bayus
CTD Director
Nicole Bayus is the director of RRI's Clinical Trials Division (CTD). Ms. Bayus is an accomplished clinical research coordinator, having ...
Michele Berro
OTR/L
Michele Berro, MA, OTR/L received her master’s degree in occupational therapy from the University of Southern California and has been a ...
Remy Chu
MHA, OTR/L
Remy Chu is an Occupational Therapy Researcher and Supervisor with extensive experience in neurological rehabilitation. He holds a...
Rajiv Dhamija
MD
Dr. Rajiv Dhamija is the Chief for the Division of Nephrology at Rancho Los Amigos National Rehabilitation Center, Associate Professor of ...
Charles DuBourdieu
CPO
Charles “Chuck” DuBourdieu is a certified Prosthetist Orthotist and member of the American Board for Certification in Orthotics Prosthetic ...
Reggie Edgerton
PhD
Dr. Reggie Edgerton has been studying neuromuscular plasticity for the last five decades. He has been principal investigator of ...
Kreydin Evgeniy
MD
Evgeniy Kreydin is an Assistant Professor of Urology at the University of Southern California (USC) and on active clinical staff at Rancho ...
David Ginsberg
MD
Dr. David Ginsberg is Chief of Urology at Rancho Los Amigo National Rehabilitation Center and Professor of Clinical Urology at the Keck ...
Hui Gong
MD
Dr. Hui (Tory) Gong obtained her Medical Degree from Hunan Medical University’s western medicine program partnered with the Yale-China ...
Barry Jordan
CMO
Barry D. Jordan, MD, MPH, is the Chief Medical Officer of Rancho Los Amigos National Rehabilitation Center in Downey, California. He ...
Shailesh Kantak
PhD, PT
Dr. Kantak is the new Co-Director of the Pathokinesiology Laboratory. Dr. Kantak brings extensive knowledge and experience in rehabilitation...
Andy Lin
MS, ATP
Andy Lin, MS, ATP is a rehabilitation engineer at the Center for Applied Rehabilitation Technology (CART) at Rancho Los Amigos National ...
Charles Liu
MD, PhD
Dr. Liu is engaged in a broad spectrum of efforts that brings together the fields of engineering and medicine to develop systems-level ...
Antonio Moya
MD, MPH
Dr. Moya is in the Department of Neurology at Rancho Los Amigos National Rehabilitation Center and Assistant Professor of Neurology at USC...
Nina Patel
MD
Dr. Nina Patel is an Attending Physician at Rancho Los Amigos National Rehabilitation Center. She graduated from the MS Ramaiah Medical ...
Jeff Rankin
PhD
Dr. Jeffery Rankin, PhD, is the Acting Director of the Pathokinesiology Laboratory and Co-director of the Rehabilitation Engineering ...
Philip Requejo
PhD, CEO
Dr. Philip Requejo is the Chief Executive Officer (CEO) of Rancho Research Institute (RRI) and Director of the Rehabilitation Engineering ...
Kevin Rolfe
MD
Dr Kevin Rolfe serves as the acute care director for the Southern California Spinal Cord Injury Model System through the Rancho Research ...
Michael Scott
MD
Dr. Michael Scott is Co-Director of the Southern California Spinal Cord Injury Model System at Rancho Los Amigos National Rehabilitation ...
Freddi Segal-Gidan
PA, PhD
Freddi Segal-Gidan, PA, PhD, has devoted her career to the care of older adults and those with disabilities. She is currently director and ...
Susan Shaw
MD
Dr. Susan Shaw is the Associate Chief Medical Officer at Rancho Los Amigos, as well as Vice Chair of Neurology and Medical Director of the ...
Yaga Szlachcic
MD
Dr. Yaga Szlachcic is the President of the Board of Directors of Rancho Research Institute. She previously served as the Associate Chief ...
Tze-Woei Tan
MD, MPH
Dr. Tze-Woei Tan is a board-certified vascular surgeon and Director of Limb Preservation Research at Keck School of Medicine of the ...
Lilli Thompson
DPT
Lilli Thompson, PT, DPT, NCS, is the Director of the Physical Therapy Department and Chief of the Rehabilitation Therapy Division at ...
Dennis Wong
MD
Dr. Dennis Wong is the Chief and Medical Director of Primary Care Services at Rancho Los Amigos National Rehabilitation Center. He is a ...
Hui Zhong
Researcher
Hui Zhong received a medical degree from Hebei Medical University and worked as attending physician and researcher in the Department of ...
Aries Limbaga
DNP, RLA CEO
Aries Limbaga is the chief executive officer & chief nursing officer of Rancho Los Amigos National Rehabilitation Center (Rancho ...