Department of Orthopaedic Surgery

The Department of Orthopaedic Surgery offers services and programs through the following Divisions. Use these links to directly access all our Department sites.

Surgical Training Facility (STF)

Who We Are

Amir Matityahu, MD

Surgical Training Faculty Director

Amir Matityahu received his orthopaedic residency training from Maimonides Medical Center in Brooklyn, NY. In 2002, he further trained in Orthopaedic Traumatology through a fellowship at the Adams R. Cowley Shock Trauma Center, a world-renowned trauma center. In 2003, Dr. Amir Matityahu joined the staff at UCSF/SFGH. He is presently the Director of Pelvis and Acetabular Trauma Reconstruction at San Francisco General Hospital and is an Assistant Clinical Professor in the Department of Orthopaedics at the University of California, San Francisco, (UCSF). His clinical areas of interest are high-energy complex periarticular fractures, pelvis and acetabular fractures, and the polytraumatic patient with orthopaedic injuries. His research interests include the bio mechanics of fracture fixation and the post-traumatic hip joint. In addition, Dr. Matityahu is constantly developing innovative and minimally invasive surgical techniques to speed healing and return patients back to work and athletes back to the field more quickly.

Liu Cheng

Surgical Training Manager

T: 415.206.8813

Liu Cheng was appointed the Surgical Training Manager in March of 2010, and oversees the overall management of the Surgical Training Facility, Biomechanical Testing Facility, and Robert A Schindler Surgical Skills Classroom. Prior to this appointment, Liu joined the OTI in January 2008 as the Lead Engineer of the Biomechanical Testing Facility, and then progressed onto business partner of the Biomechanical Testing Facility as the Engineering and Finance Manager in 2009, managing the financial oversight of all divisions within the group. His knowledge of research protocols has allowed the Surgical Training Facility to bridge the gap between surgical skills education and engineering research and development. Liu graduated from The University of California, Berkeley with a Bachelor of Science Degree in Mechanical Engineering, focusing on Orthopaedic Biomechanics and Design.

Robert Rhee

Surgical Training Coordinator

T: 415.206.8821