Dr. Mark Powell is a business writer, consultant and entrepreneur. He spent ten years as an Associate Fellow of the Oxford University’s Saïd Business School where he specialised in designing and directing senior executive leadership programmes. Mark has held Partner roles in Accenture, Fujitsu, Aon, KPMG and A.T. Kearney, in addition to running several start-up businesses. Jonathan Gifford is a business author whose books include History Lessons; Blindsided; 100 Great Leadership Ideas, 100 More Great Leadership Ideas and 100 Great Business Leaders. Mark and Jonathan are cofounders of the Human Energy Organisation and the co-authors of My Steam Engine Is Broken, Perform To Win and Machiavellian Intelligence, all published by LID Publishing.