James Meyer Sassoon, Baron Sassoon, FCA (born 11 September 1955) is a British businessman and politician. After a career in the financial sector he served in various roles in HM Treasury, the UK's finance ministry, from 2002 to 2008, at which point he began advising David Cameron on financial issues. From May 2010 to January 2013, Sassoon was the first Commercial Secretary to the Treasury and was appointed to the House of Lords as a Conservative. In January 2013, he became an executive director of Jardine Matheson Holdings and of Matheson & Co. He is also a director of Hongkong Land, Dairy Farm and Mandarin Oriental and chairman of the China-Britain Business Council.