Clayton M. Christensen is the Kim B. Clark Professor of Business Administration at the Harvard Business School. In addition to his most recent book, How Will You Measure Your Life, he is the author of seven critically-acclaimed books, including several New York Times bestsellers - The Innovator''s Dilemma, The Innovator''s Solution and most recently, Disrupting Class. Christensen is the co-founder of Innosight, a management consultancy; Rose Park Advisors, an investment firm; and the Innosight Institute, a non-profit think tank. In 2011, he was named the world’s most influential business thinker by Thinkers50.

Mark W. Johnson cofounded the strategy and innovation management consultancy Innosight with Clayton M. Christensen in 2000.

His books include Dual Transformation (2017) and Reinvent Your Business Model (2018), both published by Harvard Business Review Press.

He lives in Belmont, Massachusetts, with his wife, Jane Clayson Johnson, and their younger children.