My research interests include the Sociotype and coping with chronic disease especially concerning weight regulation. I have been a visiting scientist at Rockefeller, MIT, Cambridge and Yale Universities. A former Director of the Braun School of Public Health, the Dept of Human Nutrition and head of the WHO Center in Capacity Building. I was co Editor-in-Chief of the Encyclopaedia on Food Security and Sustainability (Elsevier) and am Chief Editor for Nutrition and Environmental Sustainability.