Occupation Nutrition Scientist

Guest Lecturer, University California, San Diego 1993

Chief Science Officer, Alpha Dog Technologies, Inc.

Lecturer, Nutrition Certified Course for Chiropractors 1991

Guest Lecturer, University Oregon, Eugene 1986

Founder, Colgan Institute for Nutritional Science 1983

Visiting Scholar, Rockefeller University, New York 1983

AssociateProfessor Human Science, University Auckland, New Zealand 1982

Science Faculty, University of Auckland, New Zealand 1982

Director, Colgan Clinic, Auckland 1980

Director, Colgan Institute Nutritional Science, San Diego 1979

Director, University Auckland Clinic 1974

Research Fellow, Wellington Hospital (New Zealand) 1971

Instructor Mammal Physiology, Victoria University of Wellington, New Zealand 1970

New Zealand Ministry of Works

American research scientist

lecturer

consultant