Distinguished Professor and Head May 2003 – July 2008.
Professor and Head July 1, 1989 – May 2003. Department of Food Science.
Director of the University of Massachusetts Food Science Strategic Research Alliance 1996 – present.
Chair Chancellor’s Inaugural Academic Events Planning Committee 2002, 2003.
Chair Provost’s Committee on Revenue Development, 2001.
Co-chair of the University Life Sciences Steering Committee 1996 – 1998.
Acting Head – Sept. 1988-June 30, 1989. Department of Food Science and Nutrition, University of Massachusetts.
Adjunct Professor – Sept. 1, 1988 – Present. Department of Human Nutrition, Universite Laval, Quebec, Canada.
Professor – September 1976 to September, 1988, Department of Food Science and Nutrition, University of Massachusetts.
Visiting Food Scientist – January 1976 to July 1976. Department of Food Science Technology, University of California, Davis, California.
Associate Professor – February 1972 to September 1976, Department of Food Science and Nutrition, University of Massachusetts.
Assistant Professor – April 1967 to February 1972, Department of Food Science, University of Massachusetts.
Chair of the IFT Government Relations Committee (2003-04).
Chair of the IFT Expert Panel writing a monograph on Functional Foods, 2003-04.
Member of the Institute of Food Technologists Management Committee on Science, 2003-05.
Chair, IFT Expert Panel on Scientific Affairs, 1986-1994.
Chair and Member of the IFT Food Science Communicators Chair 1972-1978, member 1978-present.
IFT Executive Committee 1987-90.
IFT Council 1989-92.
Vice President ILSI, 1994-present.
Chair, Board of Trustees, ILSINA, 2001-2007.
Chair, ILSINA Scientific Advisors, 1990-present.
Secretary, Board of the IFIC Foundation, 1996-present.
FDA Advisory Committee, 1994-1998.
Chaired the FDA Panel to Evaluate Ochestra, 1995.
Three terms as Chair of the National Academies Food Forum, 1996-2003.
Member of the National Academies Food and Nutrition Board, 1994-97, 1997-2000.
Member of the Committee on Dietary Reference Intakes: Guiding Principles for Nutrition Labeling and Fortification, 2003,2004.
Member of the Committee on Research Opportunities in Nutrition and Food Science, 1990-93.
Appointed to the United States Senate Select Committee on Nutrition and Human Needs, 1974.
The Keystone National Policy Dialogue on Food Nutrition and Health 1994-1996
The Keystone Round Table on Food Nutrition and Health 2006
Editor, Critical Reviews in Food Science and Nutrition.
Co-editor of Three Journals.