The people without whom Potentialife and, by extension, this book would not be possible is too long to mention. Here is a partial list of people to whom we're deeply indebted and grateful.

Craig Collins, whose brilliant mind and open heart helped birth this book.

Karen Barth, Kim Cooper, and Adam Vital, whose ideas and passion are present in this book's every nook and cranny.

Our editors at John Wiley & Sons, Richard Narramore and Danielle Serpica, for their patience and professionalism. Rafe Sagalyn and CJ Lonoff, our agents, who tirelessly help us get our ideas to the general public.

The extraordinary Potentialife team, who inspires us every day: Matthew Arnold, Hattie Crosthwaite Eyre, Jeremy Davis, Nicole Hurley, Luis Javier Castro, Atli Knutsson, Cyrille Kozyreff, Marita Lekmo, Tshepiso Maledu, Ehud Moses, Conor O'Meara, Kerrin Miller, Alberto Padilla Rivera, Caro Parker, Daniel Philbin‐Bowman, Antoine Pissot, Arik Praisman, Miranda Shu, Guy Sigston, Kim Singline, Edward Short, Ciprian Spiridon, and Nelly Worsley.

Our mentors, who embody 10X leadership: Pia Andersen, Warren Bennis, Richard Hackman, Martin Hirt, Klemens Hjartar, Eric Labaye, Ellen Langer, Brian Little, Joshua Margolis, Mihnea Moldoveanu, and Philip Stone.

Last and most certainly not least, we are ever grateful for the support, love, patience, and generosity of our dearest families.