ACADEMIC ASSIGNMENTS

07/01/2009 – Present
Tenure Appointment (Unmodified Title)
Associate Professor of Orthopaedic Surgery

07/01/2007 - Present
Vice Chairman for Research
Department of Orthopedic Surgery
Columbia University, New York

08/01/2006- Present
Associate Professor of Clinical Orthopedic Surgery                                           
Columbia University, New York

09/01/2003 - Present
Director of Center for Orthopedic Research                                                           
Department of Orthopedic Surgery
Columbia University, New York

08/01/1999 – Present
Chief of Tumor and Bone Disease Service
Department of Orthopedic Surgery
Columbia University, New York

08/01/1999- 07/31/05
Assistant Professor
Department of Orthopedic Surgery
Columbia University, New York