Education 1968 B.S. cum laude, City University of New York, Brooklyn College, Brooklyn N.Y. 1972 M.D. summa cum laude, State University of New York, Downstate Medical Center, Brooklyn, N.Y.

Professional Appointments 1972-1973 Surgical Intern, The Columbia-Presbyterian Medical Center, New York, N.Y. 1973-1974 Surgical Resident, The Columbia-Presbyterian Medical Center, New York, N.Y. 1974-1976 Captain, United States Air Force, Medical Corps, Flight Surgeon 1976-1977 Major, United States Air Force, Medical Corps, Flight Surgeon 1977-1980 Assistant Instructor, Resident, and Chief Resident, Department of Urology, State University of New York, Downstate Medical Center, Brooklyn, N.Y. 1980-1982 Assistant Professor of Urology, Department of Urology, SUNY Downstate Medical Center, Brooklyn, N.Y. 1980-1982 Assistant Attending Surgeon, University Hospital, SUNY Downstate Medical Center and Kings County Hospital Center, Brooklyn, N.Y. 1980-1982 Fellow-in-Residence, The Population Council, The Rockefeller University, New York, N.Y. 1980-1983 Research Associate, The Rockefeller University, New York, N.Y. 1980-1986 Associate Physician, The Rockefeller University Hospital, New York, N.Y. 1986-1987 Visiting Associate Physician, The Rockefeller University Hospital, New York, N.Y. 1982-1988 Assistant Attending Surgeon (Urology) The New York Hospital, New York, N.Y. 1982-1988 Assistant Professor of Surgery (Urology) Cornell University Medical College, New York, N.Y. 1982-2003 Staff Scientist, The Population Council, Center for Biomedical Research, New York, N.Y. 1982-1993 Director, The Male Reproduction and Microsurgery Unit, Department of Surgery, Division of Urology, The New York Hospital-Cornell Medical Center, New York, N.Y. 1988-1993 Associate Attending Surgeon (Urology) The New York Hospital, New York, N.Y. 1988-1993 Associate Professor of Surgery (Urology) Cornell University Medical College, New York, N.Y. 1990-1993 Associate Professor of Surgery (Urology) with indefinite tenure, Cornell University Medical College, New York, NY 1993- Director, Division of Male Reproductive Medicine and Microsurgery, Department of Urology, The New York Hospital-Cornell Medical Center, New York, N.Y. 1993-1994 Associate Attending Urologist, The New York Hospital, New York, N.Y. 1993-1994 Associate Professor of Urology with indefinite tenure, Cornell University Medical College, New York, N.Y. 1994- Professor of Urology with indefinite tenure, Cornell University Medical College, New York, N.Y. 1994- Attending Urologist, The New York Hospital, New York, N.Y. 2000- Professor of Reproductive Medicine, Professor of Urology, Executive Director, Men#146;s Service Center, Cornell Institute for Reproductive Medicine, Weill Medical College, Cornell University, New York, NY. 2000- Surgeon-in-Chief, Male Reproductive Medicine and Surgery, New York Weill-Cornell Medical Center, New York, NY. 2004- Senior Scientist, The Population Council, Center for Biomedical Research, New York, N.Y. Boards and Fellowships 1973 Diplomate of the National Board of Medical Examiners 1982 Diplomate of the American Board of Urology 1985 Fellow of the American College of Surgeons Professional Memberships Alpha Omega Alpha Honor Medical Society American Society of Andrology International Microsurgical Society American Society of Reproductive Medicine American Medical Association New York County Medical Society American Urological Association Society for the Study of Reproduction Society of Reproductive Surgeons Society for the Study of Male Reproduction Society for Male Reproduction and Urology