Geoff Colvin

Senior Editor-at-Large at Fortune & Bestselling Author

Sampson Davis, M.D.

E.R. Physician, Inspirational Speaker, Bestselling Author & TV Personality

John Hockenberry

Journalist and Commentator; Author, "Moving Violations: War Zones, Wheelchairs and Declarations of Independence"

Esther Dyson

Executive Founder of Way to Wellville

Mark Bittman

Former NYT Writer; Author of "How to Cook Everything" Series; Host of "Food with Mark Bittman"

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Frans Johansson

Innovation Expert & Author of "The Medici Effect"

Sandra Bernhard

Comedienne, Actress, Singer & Author

Cris Carter

ESPN Analyst, Former NFL Star Receiver & Pro Football Hall of Famer

Linda Ellerbee

Award-Winning Journalist & Television Producer; Breast Cancer Survivor

Boomer Esiason

NFL Football Legend & Studio Analyst

Ariane de Bonvoisin

Author, Entrepreneur & Change Expert

Danny Boome

Star of Food Network's "Rescue Chef"

Sally Jenkins

Award-Winning Sports Columnist for the Washington Post; New York Times Bestselling Author of Twelve Books, Including 'The Right Call'

Sally Jenkins on 'The Right Call: What Sports Teaches Us About ...

Rocco DiSpirito

James Beard Award-Winning Chef, Healthy Lifestyle Advocate & New York Times Bestselling Author

Drew Learns Chef Rocco Dispirito's 5-Minute Shrimp Dish

Dick Cavett

Emmy Award-Winning Talk Show Host

Dick Cavett Introduces Stephen To Marlon Brando's Favorite Cocktail

Judy Collins

Legendary Folk Singer & Activist

Dr. Susan Blumenthal

Former US Assistant Surgeon General & Rear Admiral

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Jill Eikenberry

Golden Globe Award-Winning Actress Best Known For Her Role on "LA Law"; Breast Cancer Survivor