top of page

Dr. John Sperling, Mayo Clinic Professor of Orthopedic Surgery, Joins Kaliber Surgeon Advisory Board

San Francisco, CA. September 7, 2023 – Kaliber Labs has announced that Dr. John Sperling, Professor of Orthopedic Surgery at the Mayo Clinic, has joined the company’s Surgeon Advisory Board.

“We are excited to have Dr. Sperling as a member of our team of surgeon advisors,” said Kaliber CEO Ray Rahman. “His clinical expertise and commitment to research have given him deep, evidence-based insight into orthopedics, including a grasp of the role and impacts of medical technology. He joins us with a unique perspective on innovation across the medical technology and device space.”


A graduate of the University of Virginia School of Medicine, Dr. Sperling completed his residency at the Mayo Clinic and a Fellowship for Sports Medicine and Shoulder Surgery at the Hospital for Special Surgery. A Professor in the Department of Orthopedic Surgery at the Mayo Clinic in Rochester, Minnesota, he is an internationally recognized expert on primary and revision shoulder surgery and recipient of both the Walter Reed Distinguished Achievement Award (2014) and the Charles S. Neer Award (2003). At the Mayo Clinic and nationally, Dr. Sperling has served in numerous leadership roles guiding work designed to evaluate technologies across surgical specialties. Dr. Sperling also maintains active involvement in clinical research. He is part of a team that has identified promising molecular pathways to aid patients suffering from rotator cuff disease and shoulder arthritis. He is author of more than 260 peer-reviewed publications and has been invited to speak on orthopedic topics worldwide.


In addition to his work as a clinician and researcher, Dr. Sperling has an MBA in medical group management and a strong interest in medical economics. He has worked with health care companies, from start-ups to large corporations, and acted as advisor to a number of venture capital firms. He has also been active in the development and commercialization of medical devices.


“AI solutions signal the dawn of a new phase of medical technology,” Dr. Sperling stated. “The tools being developed by Kaliber promise to drive understanding and development of innovative treatment modalities that will help patients with the pain and loss of quality of life associated with orthopedic injuries.”


Dr. Sperling joins an impressive roster of leading arthroscopic surgeons who make up Kaliber’s Surgeon Advisory Board. These surgeons include:


Anthony Romeo, MD Executive Vice President, the Musculoskeletal Institute, Dupage Medical Group • Chief Medical Editor, Orthopaedics Today • Past President, American Shoulder and Elbow Society


Brian Cole, MD

Past president of AANA • Vice-Chairman and Managing Partner, Midwest Orthopedics at Rush • Team physician for the Chicago Bulls, Chicago White Sox, Chicago Fire, Chicago Dogs, and DePaul University


Brian Feeley, MD

Chief of Sports Medicine and Shoulder Surgery, UCSF


Patrick Denard, MD

Preeminent shoulder specialist • Clinical instructor, Oregon Health & Science University


Nicholas Sgaglione, MD

Professor & Chair, Northwell Health Dept. of Orthopedic Surgery • Sr VP of Orthopedics & Exec. Dir. of Northwell Health Orthopaedic Institute • Past President AANA • Past Chair, Arthroscopy Journal Board of Trustees


Mark Getelman, MD

President of AANA • Co-director of Sports Medicine Fellowship Training Program, SCOI • Faculty member, SCOI Sports Medicine Division


Shariff K. Bishai, DO, MS

Past President AOAO, Sports Section • Past President Detroit Academy of Orthopaedic Surgrey • Specialist in complex shoulder and knee reconstruction


William Ciccone, MD Sports Medicine & Joint Replacement specialist • Designated Master in Shoulder Arthroscopy, AANA • Past Team Physician for the Colorado Rockies AAA Sky Sox


Joseph Burns, MD

Shoulder specialist • Head of Orthopedics at Wellstar Health Systems • Master Instructor, Arthroscopy, AANA


Scott Sigman, MD Sports Medicine, Knee & Shoulder Specialist • Opioid Sparing Surgery • Medical Devices • Fellow, World Society of Sports & Exercise Medicine • Fellow, Royal College of Surgeons Ireland


Richard L. Angelo, MD

Past President AANA • AANA Education Foundation Board of Directors • Institute for Surgical Excellence Advisory Board


Nathan Mall, MD CIME

Specialist in regenerative and biologic medicine


Gary Poehling, MD

Editor in Chief Emeritus, Arthroscopy: The Journal of Arthroscopic and Related Surgery • Past President, ISAKOS • Professor, Wake Forest Medical Orthopedic Surgery


Ira Guttentag, MD, FACS

Medical Director and Head Team Physician for the Tampa Bay Lightning • Board of Directors, Florida Medical Clinic


Ryan Pitts, MD

President, Orthopedic Associates, LLC - St, Louis, MO


Lyndon Gross, MD

Team Orthopedist, St. Louis Cardinals • Sports Medicine, Shoulder, Knee, and Elbow specialist • Advanced joint reconstruction and cartilage restoration specialist


David King, MD

Leonard Marmor Foundation Award • Associate Master Instructor, AANA Hip Arthroscopy Course


Victor Khabie, MD, FAAOS, FACS

Chief of Department of Surgical Services, Chief of Orthopedics & Sports Medicine, Co-Director of Orthopedic and Spine Institute, Northern Westchester Hospital • Director of Sports Medicine Section, Somers Orthopedic and Sports Medicine Group


Matthew Stiebel, MD

Shoulder and Knee specialist • Fellow of the Royal College of Surgeons of Canada • Associate Clinical Professor, FAU Medical School • Associate Master Instructor, AANA


Brian Waterman, MD

Sports medicine and cartilage restoration specialist • American Orthopaedic Association North American Traveling Fellow • AANA Advanced Arthroscopy Traveling Fellow


Robert Meislin, MD

Fellowship trained Orthopedic Sports Medicine • Physician, Sports Medicine Center at NYU Langone Orthopedic Center • Clinical Professor of Orthopedic Surgery, New York University • Editorial board member, Arthroscopy


Matthew Pifer, MD

Fellowship-trained in Orthopedic Sports Medicine • Institutional Review Board (IRB) Member, Sport and Spine Rehab Clinical Research Foundation • Active member of AAOS, AANA, AOSSM


Amon Ferry, MD

Fellowship-training in Sports Medicine • Knee and shoulder specialist • Consultant to pro sports teams, including Seattle Mariners, Arizona Diamondbacks, Arizona Cardinals • AAOS, AANA, AOSSM


Robert Burks, MD Professor of Orthopedic Surgery, University of Utah • Former board member, AANA • Orthopedic Society for Sports Medicine and American Shoulder and Elbow Surgeons


Robert Gallo, MD, M.H.A.

Orthopaedic Sports Medicine Surgeon, Penn State Hershey • Professor, Penn State University College of Medicine • Associate Program Director, Penn State Orthopaedic Residency Program


Dr. Tony Gallagher, PhD

Director of Research, ASSERT Centre – University College Cork (UCC)


John Cory, MD

OrthoArizona The Foot And Ankle Center • American Sports Medical Institute Foot and Ankle Fellow


Stanley Rogers, MD

Chief of General Surgery, UCSF • Director of Video Endoscopic Surgery, Zuckerberg San Francisco General Hospital



About Kaliber Labs

Kaliber builds AI-powered solutions to meet the needs of patients, surgeons, and administrators in arthroscopic surgery. Our intelligent software is designed to generate insights from surgical procedures—cut to close—and channel them into surgeon-centric tools to support quality, access, and cost of care.


To learn more about Kaliber, please visit www.kaliber.ai.

Inquiries can be directed to info@kaliberlabs.com.

bottom of page