Most of us know that we need to work out to be healthier and live longer lives, but did we know that our success at work depends on it? Elite personal trainer and workplace wellness expert Perry Lieber knows it, but he doesn’t want you to take his word for it. In Work Out and Grow Rich, interviews with his most successful clients (such as Greg Renker, founder of Guthy-Renker, and Mark Bissell, CEO of Bissell) reveal the habits that helped them become rich in every meaningful sense of the word—and how you can too.