Mark Williams is a poultry farmer’s son. After studying at Harper Adams, he managed a large pullet rearing / egg production unit. Following gaining valuable experience, he returned home to expand the business.

In 1991, he joined the National Farmers’ Union as a Regional Poultry Adviser in the north of England. In 1995, he was appointed National Egg Specialist. He joined the British Egg Industry Council in 1999 and became Chief Executive in 2000.

He was Secretary-General of EUWEP (the EU trade association for egg packers, egg traders and egg processors) from 1999-2018. He was President of the EU Civil Dialogue Group on Poultry and Eggs on two occasions (2010-12 and 2016-18).

He was a Board member of CELCAA (the EU liaison committee for the food trade) from 1999-2018. He is also a Nuffield Scholar, and was Chairman of the Nuffield Poultry Study Group from May 2012 – May 2015.

He was Chairman of the UK Poultry Health and Welfare Group during 2015 & 2016, and again during 2021 & 2022. He was Statistical Adviser to the International Egg Commission from 1996 – 2006.