1980 - 1985 In charge of "resuscitation program" for military physicians, Military Medical School, Israel Defense Forces. Teaching undergraduates. School of Medicine, Tel Aviv University.
1982 Chief instructor in resuscitation and emergency medicine, Tel Aviv Municipal Medical Center.
1984 In charge of teaching surgery at Tel Aviv School of Nursing.
1984 Teaching postgraduates in general surgery.
1986-88 Research Fellow, Harvard Medical School and Peter Bent Brigham Hospital, Boston, Massachusetts, USA.
1989 "Trauma Forum", Israel Defense Forces
1989 Library Committee, Medical Council of the Tel Aviv Municipal Medical Center
1989 Helsinki Committee, Medical Council of the Tel Aviv Municipal Medical Center
1989 In charge of "Emergency Medicine" training. Sackler Faculty of Medicine.
1989 Surgical Advisor, Division of Health, Tel Aviv Municipality.
1989 Examiner, National Board of Surgery.
1990 In charge "Morbidity and Mortality" conferences Surgery, Sourasky, Tel-Aviv Medical Center
1990 Committee on Basic Research, Israel Medical Council.
1990 "Trauma Forum", Magen David Adom.
1990 National Board of Examinations, Israel Medical Council.
1990 1994 Committee on Advanced Studies and Conferences Abroad, Israel Cancer Association.
1991 In charge of Advanced Trauma Management, School of Continuing Education, Sackler Faculty of Medicine, Tel Aviv University.
1992 Steering Committee for Board Examinations, National Scientific Council
1993 Teaching Committee, School of Continuing Education, Sackler Faculty of Medicine, Tel Aviv University.
1993 Steering Committee, Israel Association of Disaster Medicine.
1993 Member, National Ministerial Committee for Oncology, Ministry of Health
1994 Member, National Ministerial Committee for Surgery, Ministry of Health
1994- Education Committee, Israel Surgical Society..
1994-8 Chairman, Committee on Advanced Studies and Conferences Abroad, Israel Cancer Association.
1995- Chairman, Board of Surgery, Scientific Council of the Israel Medical Association.
1996- Committee for Reorganization of Surgical Clerkship, Sackler Faculty of Medicine, Tel Aviv University.
1996 Committee for Reorganization , Scientific Council Israel Medical Association.
1996- Committee of the Israel Science Foundation
1997 Best Teacher, Sackler School of Medicine
1998-2004 Chairman, Israel Society for Surgical Oncology
1998 Committee for Medical Education Planning , Sackler School of Medicine, Tel Aviv University
1998 Committee for Reorganization of Pre-Clinical Teaching , Tel Aviv University
1998 Committee for Regulating Mandatory Internship Skill Requirements, Tel Aviv University
2000- 2005 Chairman, Israel Surgical Association
2001 Scientific Committee, Center for Biological Research of Cancer.
2001 Board of the Scientific Council, Israel Medical Association.
2004 Chairman , the national scientific council-surgery , anesthesia& intensive care, Ministery of Health.
2006 – Head, the Nicholas & Elizabeth Slezak Chair in Experimental Surgery
2007-2010 Head International Committee and Excutive Committee member, Am. Society of Surgical Oncology
2010-2016 Governor-at-Large Israeli chapter, American College of Surgeons
2017- Chairman – the bi-annual meeting of the Israel Surgical Association
UNIVERSITY APPOINTMENTS
1972 1975 Assistant Lecturer in Anatomy, Sackler School of Medicine, Tel Aviv University.
1985 Lecturer in Surgery, Sackler School of Medicine, Tel Aviv University.
1988 Senior Lecturer in Surgery, Sackler School of Medicine, Tel Aviv University
1989 Associate Professor of Surgery, Sackler School of Medicine, Tel Aviv University
1997 Full Professor of Surgery, Sackler School of Medicine, Tel Aviv University
