Our Founding Principal

At XR®, our mission is to redefine recovery through science-driven nutritional solutions and comprehensive programs. Our team of healthcare professionals, researchers, and industry experts collaborates to develop evidence-based supplements, protocols, and strategies that address the unique needs of individuals recovering from surgery, injury, or physical stress. Beyond products, we partner with professional athletes, sports teams, and healthcare providers to deliver targeted recovery solutions tailored to high-performance demands. At XR®, we are committed to bridging the gap between nutrition, recovery, and peak performance to help individuals and teams achieve their goals.

Expert Clinical Surgeon Evaluators

  • Joseph D. Zuckerman, MD, FAOA

    Joseph D. Zuckerman, MD

    Chair of Orthopaedic Surgery at NYU Grossman School of Medicine, Walter A.L. Thompson Professor of Orthopaedic Surgery.

  • Neal ElAttrache, MD

    Chairman of the Board of the Kerlan-Jobe Orthopaedic Foundation, Head Team Physician for the Los Angeles Dodgers and Los Angeles Rams.

  • John M. Itamura, MD

    Director of the Kerlan-Jobe Adult Shoulder and Elbow Reconstruction Fellowship, Team Physician for the Los Angeles Angels.

  • Bert R. Mandelbaum, MD

    Co-Chair of Medical Affairs at Cedars-Sinai Kerlan-Jobe Institute, Team Physician for the US Soccer National Teams.

  • Laith M. Jazrawi, MD

    Professor, Department of Orthopedic Surgery at NYU Grossman School of Medicine, Director, Sports Medicine Fellowship Program, Chief, Division of Sports Medicine.

  • Kristofer J. Jones, MD

    Sports Medicine Specialist at UCLA Health, Head Team Physician for the Los Angeles Lakers, Team Physician for UCLA Bruins Athletics.

  • George F. Rick Hatch, III, MD

    Fellowship Director - USC Sports Medicine Fellowship, Professor in the Department of Orthopaedic Surgery at USC Keck School of Medicine.

  • Thomas Youm, MD 

    Clinical Professor in the Department of Orthopaedic Surgery at NYU Grossman School of Medicine, Director of Hip Arthroscopy at NYU Langone Orthopedic Hospital.

  • Brian K. Lee, MD

    Shoulder and Elbow Specialist at Kerlan-Jobe Institute.

  • Kevin M. Kaplan, MD

    Advanced Arthroscopic Joint Surgery Specialist, Head Team Physician for the Jacksonville Jaguars.

  • Jason C. Snibbe, MD

    Minimally Invasive Joint Reconstruction Specialist, Team Physician for the Los Angeles Clippers.

  • Daniel Acevedo, MD

    Shoulder and Elbow Reconstruction Specialist at Los Angeles Orthopedic Surgery Specialists.

Meet Our Team

  • Reza Jazayeri, MD

    Founder, Orthopedic Sports Medicine Specialist

  • Grey Hunt

    Co-founder, Chief Operating Officer

  • Daphne Vadman

    Chief Finanical Officer

  • Alex Greene

    Director of Business Development

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Trusted Partners

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