Jack was Managing Partner, Glasgow and Regional Industry Leader (Technology, Communications and Entertainment and Consumer Products) for Scotland and Northern Ireland for Ernst and Young. He was also Chief Executive of Scottish Enterprise. He is currently Chairman of ICG-Longbow Senior Secured UK Property Debt Investments Limited and a non-executive director of Witan Investment Trust plc. He has served on the Boards of FTSE 250 and other public and private companies and is a member of the Institute of Chartered Accountants of Scotland. He is a past Chairman of CBI Scotland.