About Mark D Nevins

John Hillen, D.Phil. is a leadership and strategy professor in the School of Business at George Mason University, a consultant, and a director for many companies. His views on leadership draw from his experiences as a public and private company CEO of several companies, a board chair and director, a U.S. Assistant Secretary of State under President George W. Bush, and a former U.S. Army officer and decorated combat leader. He holds degrees from Duke, King's College London, received his MBA at Cornell and his doctorate from Oxford. A Washington Technology columnist, he writes regularly on leadership and strategy, both of which he teaches in George Mason's MBA program. Recently recognized as one of the 100 most influential business leaders in the Washington D.C. area, he is a winner of a number of prestigious leadership awards in the military and business and the author or editor of several books on international security.

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