Tim Lang "has been Professor of Food Policy at City University since November 2002. He was Director of the Centre for Food Policy at Thames Valley University from 1994 to 2002, before it moved to City University. He was Director of Parents for Safe Food, 1990-1994 and before that Director of the London Food Commission, 1984 to 1990. In the 1980s, he was a lecturer at Preston and Manchester Polytechnics and from the mid 1970s a hill farmer in Lancashire.
"In 2006, he was appointed Natural Resources and Land Use Commissioner on the UK Government’s Sustainable Development Commission. He is a regular advisor / consultant to the World Health Organisation at global and European levels. He has been a special advisor to four House of Commons Select Committee inquiries (food standards [twice], globalisation and obesity). In 2006-07, he was an advisor to the Foresight Obesity programme, and since 2005 has been a member of the Royal Institute of International Affairs (Chatham House) ‘Food Supply in the 21st Century’ Working Party and team. He has been a consultant on many occasions for the World Health Organisation, also for the European Commission and Food & Agriculture Organisation. In 2005-06, he chaired the Scottish NHS Executive’s Scottish Diet Action Plan Review. He is a Vice President of the Chartered Institute of Environmental Health and a Fellow of the Faculty of Public Health. In 1999-2005 he was Chair of Sustain, the NGO alliance, of which he was a founder member. He has been a Trustee of Friends of the Earth and was Secretary of the Public Health Alliance, predecessor to the UK Public Health Association." 
- Gabriel, Yiannis, Tim Lang (2006). The Unmanageable Consumer: Contemporary Consumption and its Fragmentation. London: Sage (2nd edition; 1st edition 1995)
- Lang, Tim, Michael Heasman (2004). Food Wars: the battle for mouths, minds and markets. London: Earthscan
- Millstone, Erik and Tim Lang, eds. (2003). The Atlas of Food. London: Earthscan (& New York: Penguin & Paris: Autrement) [winner André Simon Food Book of the Year 2003]
- Geoff Rayner, Corinna Hawkes, Tim Lang, Walden Bello (2006). Trade liberalization and the diet transition: a public health response. Health Promotion International, 21(Supplement 1):67-74.