Jake Steinfeld, whose L.A.-based company, Body by Jake, firmed up a generation of celebrities, launches business ventures as easily as he lifts weights. In his new book, I've Seen a Lot of Famous People Naked, and They've Got Nothing on You!, Steinfeld, 47, shares the secrets that helped him create FitTV (sold to Fox/Liberty Networks for $500 million) and Major League Lacrosse. Time lifted a fork with Steinfeld.
You've been careful about not being typecast, haven't you?
I've always been a believer in parlaying success. You don't want to stay too long at one party. You have just a certain amount...