Gregor is a Chartered Accountant and was appointed Finance Director of Scottish and Southern Energy plc (now SSE plc) in September 2002, having previously been Group Treasurer and Tax Manager. He has worked in the energy industry since 1990, when he joined Scottish Hydro Electric having qualified with Arthur Andersen. He has Board responsibility for Finance, Legal, Regulation, IT, Procurement and other Group Services.
Gregor is Chairman of Scotia Gas Networks which owns and operates the gas distribution networks in Scotland and southern England. He is a past Chairman of the Group of Scottish Finance Directors and joined the Board of Stagecoach plc as a non-executive director on 1 April 2013.