1988 - Head, Laboratory of Human Molecular Immunobiology, Immunology Program Graduate School of Medical Sciences, Cornell University Medical College.
1998 - Professor of Medicine, Division of Hematology/Oncology, Department of Medicine, Weill Medical Collge of Cornell University
1989-98 Associate Professor, Division of Allergy and Immunology, Weill Medical College of Cornell University.
1985-89 Assistant Professor, Division of Allergy and Immunology, Weill Medical College of Cornell University.
1984-85 Assistant Professor, Immunology, The Rockefeller University, New York
1979-85 Associate Physician, Immunology, The Rockefeller University, New York
1979-84 Research Associate, Immunology, The Rockefeller University, New York
1983-84 Clinical Instructor, Division of Hematology-Oncology, Cornell University Medical College.
1982-83 Clinical Fellow, Division of Hematology-Oncology, Cornell University Medical College.
1976-79 Resident, Department of Medicine, Vanderbilt University Affiliated Hospitals
1968-75 University of Geneva Medical School, Geneva, Switzerland, M.D. degree
Editorial Boards 1990 - 91 Advisory Editor, Journal of Experimental Medicine 1991 - 93 Assistant Editor, Journal of Experimental Medicine 1993 - 06 Editor, Journal of Experimental Medicine 1991 - 04 Editorial Board member, Molecular Biology Reports 1995 - 04 Associate Editor, The Journal of Immunology
US Patents 6,664,042 Determining viral load in double negative T cells ; filed November 23, 2001 5,786,159 Method of producing antibodies to a restricted population of T lymphocytes antibodies produced therefrom and methods of use thereof ; filed: January 25, 1995 5,480,895 Method of producing antibodies to a restricted population of T lymphocytes, antibodies produced therefrom and methods of use thereof filed: September 27, 1991
