Michelle Rhonda Thomson (born 11 March 1965) is a Scottish businesswoman and former politician. She is the co-founder of Momentous Change Ltd, a consultancy she set up with Professor Roger Mullin in 2017 to help organisations manage change. In 2018, Momentous Change published its first report, Brexit and Scottish Business.Prior to this, Thomson was the Member of Parliament for Edinburgh West from May 2015 until May 2017. She served as the SNP Business, Innovation and Skills spokesperson in the House of Commons until her resignation of the party whip in September 2015. She was also a member of the Business, Energy and Industrial Strategy (BEIS) Committee from 2015 to 2017.Since stepping down from the House of Commons in 2017, she has been appointed as Ambassador for the All Party Parliamentary Group for Fair Business Banking.