Patch Adams

Physician & Clown; Founder of Gesundheit Institute; Inspiration for the Robin William's Movie "Patch Adams"

Michelle Aguilar

Winner of NBC's "The Biggest Loser" Season 6, Author, Motivational Speaker

Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

Alexis Maybank

Founder & Chief Strategy Officer of Gilt Groupe. Internet Entrepreneur; Seed Investor & Champion of Women in Tech

Ted Allen

Host, "Chopped," Contributor, "The Best Thing I Ever Ate"

Amy Robach

Co-Anchor of "20/20" & ABC News Correspondent for "Good Morning America"; Breast Cancer Survivor

Amy Robach, 20/20 anchor, running NYC marathon, 6 years cancer ...

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

Murray Banks

Triathlon Champion / Motivator

Katherine Berman & Sophie LaMontagne

Co-founders of Georgetown Cupcake; Stars of the hit series "DC Cupcakes" on TLC; Best-selling Authors

Bill Bryson

Best-Selling Author Known for "A Short History of Nearly Everything" & "A Walk in the Woods"

An Even Shorter History of Nearly Everything - Bill Bryson

Bill Kurtis

TV Journalist, Producer, Narrator and News Anchor; Host of A&E's "Investigative Reports," "American Justice" and "Cold Case Files"

Richard Blais

Chef, Culinary Designer & Winner of Bravo's "Top Chef All Stars"

Brad Goreski

Celebrity Fashion Stylist; Star of Bravo's Reality Show "It's A Brad, Brad World"; Creative Director of C. Wonder

Frank Bruni

First Openly Gay Op-Ed Columnist at The New York Times; Bestselling Author

Tommy Caldwell & Kevin Jorgeson

Legendary Climbers of El Capitan

Candace Nelson

Executive Pastry Chef and Founder of Sprinkles Cupcakes and Ice Cream; Judge on Food Network's "Cupcake Wars"

Carson Kressley

TV Personality & Fashion Designer; Best Known for "Queer Eye for the Straight Guy"

Claire Robinson

Known for "5 Ingredient Fix" on Food Network

Jason Clay

Senior Vice President of Food & Markets at WWF

Henry C. Gardiner Global Food Systems Lecture | Jason Clay