PENINAH THOMSON is a Senior Executive Coach and a Director of Praesta Partners LLP.JACEY GRAHAM is Managing Partner of Brook Graham LLP, a strategic diversity consultancy and formerly Head of Diversity Strategy and Planning at Shell International.Both authors are co-founders of Women Directors on Boards, a UK consortium for action and change and an influential group of women in senior positions in government, academia and large companies. They are also co-founders of the FTSE-100 Cross Company Mentoring Programme.