Columbia University Mailman School of Public Health
Professor, Department of Population and Family Health
Columbia University
Associate Professor
University Glee Club of New York City
Member
Columbia University
Attending, Family Planning Clinic Program
NewYork-Presbyterian Hospital
Medical Director, The Family Planning Clinic
NewYork-Presbyterian Hospital
Medical Director, The Young Men's Clinic
Columbia University
Professor
Columbia University
Medical Director, The School Based Clinic Program
Mount Sinai St. Luke's
Medical Director, The School Based Clinic Program
Columbia University
Assistant Professor
University of California, Berkeley
New York University School of Medicine
University of California, San Francisco - School of Medicine