Co-Founder of Coursera, an Online Education Platform
Meteorologist & Extreme Storm Chaser, Featured on the Reality Series "Storm Chasers"
Executive Pastry Chef and Founder of Sprinkles Cupcakes and Ice Cream; Judge on Food Network's "Cupcake Wars"
Award-Winning Cinematographer, Director, Photographer and Filmmaker
Fitness Guru & Trainer from "The Biggest Loser"
TV Journalist, Producer, Narrator and News Anchor; Host of A&E's "Investigative Reports," "American Justice" and "Cold Case Files"
Professor of Medicine and Engineering at the University of Southern California, Co-Founder of Navigenics & Author of "The End of Illness"
The Lucky Years: How To Thrive In The Brave New World Of Health