David Ross Howarth (born 10 November 1958) is a British academic and politician who was the Liberal Democrat Member of Parliament for Cambridge from 2005–10. He served as an Electoral Commissioner between 2010 and 2018. He is Professor of Law and Public Policy at the University of Cambridge. He is the author of Textbook on Tort, Law as Engineering: Thinking about What Lawyers Do and articles in academic journals and chapters in academic books. He researches into a broad range of public and private law areas, conducting empirical research. He has engaged in policy making and leadership in public roles, previously as Leader of Cambridge City Council, and as a member of the Liberal Democrats' Federal Policy Committee. Education and academic career David Howarth grew up on the Mossley Estate, a council estate in Bloxwich, Staffordshire, going to Queen Mary's Grammar School, Walsall. Attending Clare College, Cambridge on an academic scholarship, he obtained a first class degree in Law and won the George Long Jurisprudence prize. He then won a Mellon Fellowship to study at Yale Law School, gaining an LLM, and also obtained an MPhil in Sociology at Yale University. He returned to Cambridge in 1985 to take up a series of academic posts. He has a commitment to teaching as well as research, introducing sociology and economics options to the undergraduate Law programme, and is the founding Director of the MPhil in Public Policy, based in the Department of Politics and International Studies at the University of Cambridge. Political career Howarth was a Councillor on Cambridge City Council from 1987 to 2004, representing the city's Castle Ward. He was elected Leader of the Liberal Democrat group on Cambridge City Council in 1990 when it was in third place, and then leading it to become the principal opposition on the council, eventually becoming Leader of the Council in 2000. He continued as Leader until 2003, stepping down to concentrate on winning the Cambridge parliamentary seat. He stood unsuccessfully for Parliament in Cambridge in 1992 and 2001, and in the nearby seat of Peterborough in 1997. In the 2005 general election he was elected Member of Parliament for Cambridge, defeating Labour MP Anne Campbell, overturning a majority of 8,579, and winning with a majority of 4,339 votes (securing 44% of the votes cast). He was the first Liberal or Liberal Democrat to win Cambridge since the 1906 general election. His