From the longer Wikipedia page 
Paul Kenneth Burstow (born 13 May 1962) is a British former politician who served as the Liberal Democrat Member of Parliament for Sutton and Cheam for 18 years, from 1997 to 2015, when he was defeated by Paul Scully.
He was appointed Minister of State at the Department of Health in May 2010, and served in that position until September 2012.
He was elected as a councillor for the Social Democratic Party (SDP) to the Sutton Borough Council in 1986, and was its deputy leader from 1994 to 1997. Burstow remained a councillor for the Rosehill ward in Sutton until 2002, after his election to Parliament.
In 1988, he joined the Association of Liberal Democrat Councillors as a campaigns officer; he then became its political secretary in 1996, where he remained until becoming an MP.