Our Team

Principal Investigators & Department Heads

  • Image-empty-state.png

    Cesar Aranguri

    MD

    Dr. Cesar Aranguri is the Chief of Cardiology at Rancho Los Amigos National Rehabilitation Center (Rancho) and Fellow of the American ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Ziyad Ayyoub

    MD

    Dr. Ziyad Ayyoub is a Clinical Professor of Medicine at the David Geffen School of Medicine at University of California (UCLA), a Clinical ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Bertha Cabral

    OTR/L

    Bertha Cabral, OTR/L received her occupational therapy degree from the University of Southern California in 1980. She is currently the ...

  • Image-empty-state.png

    Rajiv Dhamija

    MD

    Dr. Rajiv Dhamija is the Chief for the Division of Nephrology at Rancho Los Amigos National Rehabilitation Center, Associate Professor of ...

  • Image-empty-state.png

    Charles DuBourdieu

    CPO

    Charles “Chuck” DuBourdieu is a certified Prosthetist Orthotist and member of the American Board for Certification in Orthotics Prosthetic ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Douglas Garland

    MD

    Dr. Douglas E. Garland was the Director of the Neurotrauma Division at Rancho Los Amigos National Rehabilitation Center and Clinical ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Hui Gong

    MD

    Dr. Hui (Tory) Gong obtained her Medical Degree from Hunan Medical University’s western medicine program partnered with the Yale-China ...

  • Image-empty-state.png

    Barry Jordan

    CMO

    Barry D. Jordan, MD, MPH, is the Chief Medical Officer of Rancho Los Amigos National Rehabilitation Center in Downey, California. He ...

  • Image-empty-state.png

    Aries Limbaga

    DNP, RLA CEO

    Aries Limbaga is the interim chief executive officer & chief nursing officer of Rancho Los Amigos National Rehabilitation Center (Rancho ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Sara Mulroy

    PhD, PT

    Dr. Sara Mulroy is the Director of the Pathokinesiology Laboratory at Rancho Los Amigos National Rehabilitation Center and Adjunct Assistant ...

  • Image-empty-state.png

    Nina Patel

    MD

    Dr. Nina Patel is an Attending Physician at Rancho Los Amigos National Rehabilitation Center. She graduated from the MS Ramaiah Medical ...

  • Image-empty-state.png

    Jeff Rankin

    PhD

    Dr. Jeffery Rankin is the Associate Director of the Pathokinesiology Laboratory and Co-director of the Rehabilitation Engineering ...

  • Image-empty-state.png

    Philip Requejo

    PhD, CEO

    Dr. Philip Requejo is the Chief Executive Officer (CEO) of Rancho Research Institute (RRI) and Director of the Rehabilitation Engineering ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Salah Rubayi

    MD

    Dr. Salah Rubayi is the Chair of Surgery and Chief of Pressure Ulcer Management Program at Rancho Los Amigos National Rehabilitation ...

  • Image-empty-state.png

    Michael Scott

    MD

    Dr. Michael Scott is Co-Director of the Southern California Spinal Cord Injury Model System at Rancho Los Amigos National Rehabilitation ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Sylvia Shaw

    MD, MACM

    Dr. Sylvia Shaw has had various leadership roles at Rancho Los Amigos National Rehabilitation Hospital. She previously served as Chair of ...

  • Image-empty-state.png

    Gordon Sun

    MD

    Dr. Gordon Sun is DHS Director of Telehealth, Chief Medical Information Officer & Chair of Data Analytics, and Chief of Otolaryngology at ...

  • Image-empty-state.png

    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 ...

  • Image-empty-state.png

    Lilli Thompson

    DPT

    Lilli Thompson, PT, DPT, NCS, is the Director of the Physical Therapy Department and Chief of the Rehabilitation Therapy Division at ...

  • Image-empty-state.png

    Konita Wilks

    DDS

    Konita Wilks, DDS, received her Bachelor of Science degree from the United States Naval Academy in Annapolis, MD. Upon graduation, she ...

  • Image-empty-state.png

    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 ...