Nicolai Chen Nielsen is an associate partner at McKinsey & Company, where he advises clients on leadership development, culture change, and agile transformations. He is the co-author of Leadership at Scale and has published several articles on personal development. He is currently based in New York with his wife, Samira, and their two dogs, Napoleon and Caesar. Nicolai Tillisch is a co-founder of Deliberate Development, the venture behind the My Daily Goals software solution, and associated with Cultivating Leadership, the global coaching firm. He has been a consultant with McKinsey & Company and was an executive with DDB Worldwide, Hutchison Whampoa, and Nokia Siemens Networks. Nicolai lives with his wife, Ida, and their children, Margaux and Axel.