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Accomplished Orthopedic Researcher Fidelius von Rehlingen-Prinz Joins Kaliber Surgeon Advisory Board

San Francisco, CA. June 12, 2024 – Kaliber Labs is pleased to announce the appointment of Dr. Fidelius von Rehlingen-Prinz to its Surgeon Advisory Board. Dr. von Rehlingen-Prinz is currently a Postdoctoral Research Fellow at the Hospital for Special Surgery (HSS) in New York and a board member of the German Knee Society. An accomplished orthopedic surgeon and researcher, Dr. von Rehlingen-Prinz brings a wealth of experience and expertise to Kaliber.

“We are thrilled to welcome Dr. von Rehlingen-Prinz to our Surgeon Advisory Board,” said Kaliber CEO Ray Rahman. “His deep understanding of orthopedic surgery and commitment to innovation will be invaluable as we continue to develop cutting-edge surgical technologies.”

Dr. von Rehlingen-Prinz received his MD from Friedrich-Alexander-University in 2019 and is currently ​​completing his Residency in Orthopedic Surgery at the University Hospital Hamburg-Eppendorf in Hamburg, Germany. At HSS, his fellowship research focuses on the development of less-intrusive ligament preservation techniques. He has published extensively in peer-reviewed journals and presented his findings at many international conferences. In addition to his practice, Dr. von Rehlingen-Prinz serves as an advisor to Longevital, a medical technology company based in Munich, Germany. He also founded Cartilage-HH, a multi-center research group on cartilage regenerative surgery, and has funded more than six studies on Cartilage Degeneration.

“Kaliber’s vision to innovate orthopedic care using AI holds immense potential to revolutionize the surgical experience,” Dr. von Rehlingen-Prinz stated. “I am excited to contribute my expertise to further refine Kaliber’s solutions in enhancing orthopedic care.”

Dr. von Rehlingen-Prinz 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

Samer Hasan, MD

Associate director, Cincinnati Sportsmedicine and Cincinnati Shoulder and Elbow Fellowships • Consultant, Best Doctors • Clinical Instructor, Department of Orthopaedic Surgery at the University of Cincinnati College of Medicine and Chief of Orthopaedic Surgery at The Jewish Hospital

Dayne Mickelson, MD

Board Certified Orthopedic Surgeon, Proliance Surgeons • Seattle Met Top Doctor awards, 2020-2023 • Publications in Journal of Bone and Joint Surgery, Orthopedics, the Journal of Hand Surgery, and The American Journal of Sports Medicine.

Paul J. Favorito MD

Sports Medicine fellowship at The Christ Hospital Bone and Joint Institute and University of Cincinnati College of Medicine • Division Chief of the Shoulder and Upper Extremity Service • Team physician for the NFL’s Cincinnati Bengals

Steve Hamilton, MD

University of Cincinnati College of Medicine • Orthopaedic Surgery residency, Emory University • Sports medicine and shoulder reconstruction fellowship, Steadman-Hawkins Clinic of the Carolinas

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

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

John Sperling, MD

Professor of Orthopedic Surgery, Mayo Clinic  •  Walter Reed Distinguished Achievement Award, 2014  •  Charles S. Neer Award, 2003  •  Author of 260+ peer-reviewed publications.

Richard L. Angelo, MD

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

Mark Getelman, MD

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

Patrick Denard, MD

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

Shariff K. Bishai, DO, MS

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

Deryk Jones, MD

Section Head of Sports Medicine & Cartilage Restoration, Ochsner Sports Medicine Institute • Chief Resident, Massachusetts General Hospital • Harvard Combined Orthopaedics Residency Program

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

William J. Ciccone II , MD

Fellowship-trained, Orthopedic Centers of Colorado; Master in Shoulder Arthroscopy, AANA

Kotaro Yamakado, MD, PhD

Chief Consulting Orthopaedic Surgeon, Fukui General Hospital • International member, AANA • Associate Editor, JSES: Seminar in Arthroplasty • Editorial board, Journal of Orthopaedic Science; Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology • Richard J. O’Connor Research Award, AANA 2018

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

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 

Gary Poehling, MD

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

Robert Burger, MD

Founding member of Beacon Orthopaedics • Team Physician for Cincinnati Steam

Nathan Mall, MD CIME

Fellowship trained in sports medicine, advanced shoulder and knee arthroscopy • Specializes in regenerative and biologic medicine

Brian Waterman, MD

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

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

Brian Feeley, MD

Chief of Sports Medicine and Shoulder Surgery, UCSF • AOSSM and OREF Young Investigator Awards

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

Stanley Rogers, MD

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

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

Tony Gallagher, PhD

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

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

Mihir M. Patel, MD

Cornell fellowship-trained orthopedic surgeon

Robert Rolf, MD

Co-Director of the Beacon Orthopaedics and Sports Medicine sports medicine fellowship program

Suresh Nayak, MD

Volunteer Associate Professor, Department of Orthopaedics, University of Cincinnati; AAOS; AANA

Rodney Comisar, MD

Sports Medicine • Vice President of OrthoNeuro in Columbus, Ohio • Clinical Instructor at the Ohio University College of Osteopathic Medicine • Team physician at Denison University for 20 years

Sean McMillan, MD

Chief of Orthopedics, Virtua Willingboro Medical Center • Assistant Professor of Orthopedic Surgery, Rowan University • Team physician, Boston Red Sox organization

Matthew Johansen, MD

Beacon Orthopaedics and Sports Medicine

Doug Freedberg, MD

Orthopaedic Surgeon, Arizona Sports Medicine Center • Team orthopedic surgeon, Arizona Cardinals • Consultant, Oakland Athletics • Team physician, Phoenix Suns

Amir Moinfar, MD

Clinical Assistant Professor of Orthopedics, University of Maryland • Advanced fellowship training in shoulder surgery and sports medicine, Duke University Medical Center • Assistant team physician, Duke University

Atul Kamath, MD, MBA

Professor of Orthopedic Surgery, Cleveland Clinic • Director of Center for Hip Preservation • Fellowship training in hip and knee reconstruction, Mayo Clinic and Mueller Europe • Fellowship in Health Policy, AAHKS • Cleveland Clinic Innovation Lead for Orthopedics, and Global Vice Chair for Quality, Safety & Patient Experience

Bryan Reuss, MD

Board Certified Orthopaedic Surgeon at the Orlando Orthopaedic Center

John Cory, MD

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

Kalman Piper, MD

Head of the Orthopaedic Department at Lakeview Private Hospital in Sydney, Australia.

Lindy Hruska, MD

Chair, Mercy Health Robotic Specialty Council • Medical Director of Compliance,  Mercy Health • MD Advisor, HealthTrust 

Mahesh Bagwe, MD

Knee, foot, and ankle specialist • St. Louis Cardinals Orthopedic Foot and Ankle Advisor

Sridhar Pinnamaneni, MD

Pain Management at AdventHealth 

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

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