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. Josh Suskewicz is a partner at Innosight, where he leads consulting engagements in numerous industries, specializing in life sciences and medtech. He lives with his wife, Rachel, and their two children in Brooklyn, New York.