LONDON–(BUSINESS WIRE)–Efficio, the procurement experts, today announced the appointment of Roger Siddle as Non-Executive Chairman, to assist the senior management team. Roger has a strong background in consulting, having been UK Managing Partner at Bain and Company between 2001-2007 and a senior member of the global Bain management team. He has also been a successful Chief Executive of two public companies, Findel plc and BPP Holdings plc, and is currently chair of two other private equity p