2005 - Present
Advisory Dean of Students
College of Physicians and Surgeons, Columbia University
2001 - Present
Director
Center for Hip & Knee Replacement New York Presbyterian Hospital at Columbia University, New York, NY
1999 – 2000
Adjunct Scientist
Hospital for Special Surgery, New York, NY
1998 – 1999
Research Fellow
Mineralized Tissue Group, Hospital for Special Surgery, New York, NY
Mentors: Adele Boskey, EA Salvati, and TP Sculco
Studied: 1) Biochemical markers of fibrinolysis in patients after THA 2) Designed, synthesized and patented novel osteoblast adhesive pepitides with potential use in tissue engineering, etc
1993 – 1994
Resident Research Fellow
Musculoskeletal Research Center (MSRC)
Mentors: Christopher Evans, PhD and Harry Rubash, MD, Musculoskeletal Institute, UPMC, Pittsburgh, PA
Studied: 1) Gene therapeutics for rheumatoid arthritis 2) Canine Model for THA 3) Peri-acetabular debris migration in THA and 4) Nitric oxide's role in aseptic loosening
1990 – 1992
Medical Student Researcher
Orthopaedic Research Laboratory College of Physicians & Surgeons Columbia University; New York, NY
Mentors: Anthony Ratcliffe, PhD and Van Mow, PhD Studied potential biochemical markers of osteoarthritis and developed an improved sandwich ELISA for keratan sulfate
1989
Dean's Research Fellow
College of Physicians & Surgeons Columbia University
Mentor: Samuel Silverstein, MD, Completed pilot project examining cytoplasmic peptide fragment transport/presentation in J774 murine macrophages
1986 – 1988
Research Assistant
Dept. of Biochemistry, The Rockefeller University, New York, NY
Mentor: R.B. Merrifield, PhD (Nobel Prize in Chemistry 1984) Synthesized analogs of glucagon via solid phase methodology, Purified these products via self-designed preparative HPLC set-up, and studied structure/function relationships via circular dichroism, biological assays and molecular modeling
1985 – 1986
Research Fellow
Dept. of Biochemistry, Trinity College
Mentor: Richard Crawford, PhD Developed an assay scheme to determine the relative tyrosine hydroxylation activity of tyrosinase and tyrosine hydroxylase within a crude tissue homogenate
