John Selwyn Gummer, Baron Deben (born 26 November 1939 in Stockport, Cheshire) is a British Conservative Party politician, formerly Member of Parliament (MP) for Suffolk Coastal and now a member of the House of Lords.Lord Deben is Chairman of the UK's independent Committee on Climate Change.
He also chairs the sustainability consultancy Sancroft International, recycler Valpak, GLOBE International – the Global Legislators Organisation for a Balanced Environment, the Association of Professional Financial Advisers and Veolia Water UK.
He is a non-executive director of Veolia Voda, The Catholic Herald and the Castle Trust – a mortgage and investment firm.
He is also a trustee of climate change charity Cool Earth and the ocean conservation charity, Blue Marine Foundation.Gummer stood down from the House of Commons at the 2010 general election and was appointed to the House of Lords as Lord Deben.