Israel Medical Association
Israel Society of Internal Medicine
Israel Society of Geriatric Medicine- president 2006-2009
Israel Society of Clinical Nutrition-president 1999-2005
European Society of Parenteral and Enteral Nutrition and Metabolism- Faculty
Israel Association of Gerontology and Geriatrics-vice president 1999-2008
Associate Clinical Professor Sackler school of Medicine.
Chairman Internal Review Board - Helsinki Committee- Meir Medical Center Kfar Saba-2003-2009
chairman MD theses committee -Sackler School of Medicine, Tel Aviv University. 2010- now