Sarah Wollaston (born 17 February 1962) is a British former Liberal Democrat politician who served as Member of Parliament (MP) for Totnes from 2010 to 2019. First elected for the Conservative Party, she later served as a Change UK and Liberal Democrat MP. She was chair of the Health Select Committee from 2014 to 2019 and chair of the Liaison Committee from 2017 to 2019.
Wollaston was born in Woking, Surrey, and studied medicine at Guy's Hospital Medical School. She qualified in 1986 and worked as a junior hospital doctor and then as a general practitioner (GP). After more than 20 years in clinical practice, she ran for political office. She was selected as the Conservative parliamentary candidate for Totnes through an open primary; during the campaign, she emphasised that she was not a career politician and had a professional career. At the 2010 general election, she won the seat with an increased majority, increasing it further in 2015. She rebelled against the Cameron–Clegg governm