Dame Rosalie Winterton, DBE (born 10 August 1958) was first elected as the Member of Parliament (MP) for Doncaster Central in 1997. Since June 2017, Winterton has served as Second Deputy Chairman of Ways and Means. She served under Prime Minister Gordon Brown as the Minister for Work and Pensions from 2008 to 2009, and the Minister for Local Government from 2009 to 2010. She later entered the Shadow Cabinet in May 2010 as the Shadow Leader of the House of Commons. In September 2010, she was nominated and elected unopposed as Labour Chief Whip and served in the post until October 2016. She was elected as one of three deputy speakers of the House of Commons on 28 June 2017.
Winterton became an MP in the 1997 election, serving the safe Labour seat of Doncaster Central constituency with a vote share exceeding 50% in each general election until in 2010, where her vote share fell to 39.7%. She entered government in 2001, serving as a Parliamentary Under-Secretary of State in the Lord Chancellor's Department, and became a Minister of State at the Department for Health in June 2003; in January 2006 her responsibilities were changed to Health Services, including responsibility for NHS dentistry. She presided over the introduction of the new NHS dental contract of April 2006. In June 2006, she was appointed to the Privy Council, and she was sworn in on 19 July 2006.
In June 2007, she was appointed Minister of State at the Department for Transport by the new Prime Minister, Gordon Brown. Winterton was subsequently appointed Minister for Yorkshire and the Humber in addition to her DfT responsibilities on 24 January 2008. She was promoted to Minister of State for Pensions at the Department for Work and Pensions in the October 2008 reshuffle, retaining her Ministerial brief for Yorkshire and the Humber.
In the June 2009 reshuffle Winterton was moved to Minister of State for Regional Economic Development and Co-ordination at the Department for Business, Innovation and Skills and the Department for Communities and Local Government and in that role was invited to attend cabinet when her responsibility was on the agenda.
In September 2010, she was nominated and elected unopposed as Labour Chief Whip and served until October 2016 when she was replaced by Nick Brown.
In June 2017 Winterton was elected to serve as Second Deputy Chairman of Ways and Means.