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Our Team

Mark Theiss, MDMark Theiss, MD 
Chairman, Department of Orthopedics
Inova Fairfax Hospital
Research interests: Total joint replacement, implant design





Jihui Li, PhDJihui Li, PhD
Director, Biomechanics Lab
703-208-6038
Research interests: Biomechanical research on total joint replacement, orthopedic trauma injuries, sports injuries, orthopedic oncology, spine surgery and pediatric orthopedic surgery.



Cary Schwartzbach, MD
Chief, Orthopedic Trauma Section
Inova Trauma Center
Research interests: orthopedic trauma injuries

Robert Hymes, MD
Orthopedic traumatologist
Research interests: orthopedic trauma injuries

Alireza Malekzadeh, MD
Orthopedic traumatologist
Research interests: orthopedic trauma injuries

Jeff Schulman, MD
Orthopedic traumatologist
Research interests: orthopedic trauma injuries

Matthew Buchanan, MD 
Orthopedic surgeon
Research interests: foot and ankle surgery

Sidney Chetta, MD
Orthopedic surgeon
Research Interests: total joint replacement

Dr. Daniel Cuttica, DO
Orthopedic surgeon
Research interests: foot and ankle surgery

Samuel Hawken, MD
Orthopedic surgeon
Research interests: total joint replacement

Kathleen McHale, MD
Orthopedic surgeon
Research Interests: pediatric orthopedics

Steven Neufeld, MD
Orthopedic surgeon
Research interests: foot and ankle surgery

David Pontell, DPM
Podiatrist
Research Interests: foot and ankle surgery, podiatry