Dr. Leon Gorris was the Director for Regulatory Affairs at Unilever, with specific responsibility for food safety globally. He joined Unilever in The Netherlands in 1997, being located in Vlaardingen, and subsequently was based in the UK from 2001-2010, in Shanghai from 2010-2014 and since October 2014 again in The Netherlands.

Before joining Unilever, Leon worked at the Agrotechnological Research Institute (ATO-DLO) in Wageningen, The Netherlands, which was then part of the Agricultural Research Department, Ministry of Agriculture, Nature Management and Fisheries, The Netherlands (1990–1997).

From 2002–2012, Leon Gorris held a part-time professorship serving as the European Chair in Food Safety Microbiology at the University of Wageningen in The Netherlands. He is currently visiting professor at three Universities in China: China Agricultural University’s School of Food Science and Nutrition in Beijing, Shanghai Ocean University and the University of Shanghai for Science and technology.

He is a member of the International Commission on Microbiological Specifications for Foods (ICMSF) and represents ICMSF at Codex Alimentarius and in interactions with FAO and WHO.

He is co-chair of the International Expert Panel on Food Safety of IUFoST (the International Union of Food Science and Technology) and has been elected to the International Academy of Food Science and Technology (IAFoST) in 2016.

He was awarded the IAFP International Leadership Award in 2007, selected to present the John H. Silliker Lecturer in 2014 and awarded the IAFP Fellow Award in 2016.