Potts, Rolf
Rolf Potts funded his earliest vagabonding experiences by working as a landscaper and an ESL teacher. He now writes about independent travel for "National Geographic Adventure," and his travel essays have appeared in "Salon," "Conde Nast Traveler, National Geographic Traveler," and "Best American Travel Writing 2000," and on National Public Radio.
Ferriss, Timothy
Timothy Ferriss is also an angel investor (StumbleUpon, Facebook, Digg, Twitter, et al), guest lecturer at Princeton University, and faculty member at Singularity University, based at NASA Ames Research Center. Newsweek calls Tim "the world's best guinea pig," which he takes as a compliment.