Sam Gosling

Psychologist of human perception, author and professor

Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Sandra Aamodt

Neuroscientist

Tommy Thompson

Secretary of Health and Human Services (2001-2005)

Andrew Cohen

Founder, EnlightenNext

Carnie Wilson

Singer & Actress, Founding Member of "Wilson Phillips"

Matthew C. Nisbet

Professor of Communication, American University

Virginia Postrel

Author & Columnist; Writes on The Intersection of Commerce & Culture

Rovenia M. Brock, Ph.D.

Health Journalist & Television Personality

Mia Farrow

Acclaimed Actress & Humanitarian Activist

Robin Miller

Host of "Quick Fix Meals with Robin Miller" on Food Network, Nutritionist

Lionel Shriver

Lionel Shriver is a an award-winning novelist who is widely published as a journalist and writing features.

Dennis Kucinich

Fox News Contributor, Former Ohio US Representative and Two-Time Presidential Candidate

Cody Adams

Managing Editor of The Floating University.

Georgia Pellegrini

Chef, Blogger, Author Girl Hunter: Revolutionizing The Way We Eat, One Hunt At a Time

Tracy Anderson

Fitness Pioneer, Entrepreneur & Author, Founder of The Tracy Anderson Method

Tracy Anderson shares moves to work your whole body

Ellen Gustafson

Co-Founder of Food Tank; Co-Founder of FEED Projects; Founder of 30 Project & ChangeDinner

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Lindsey Williams

Author of "Neo Soul: Taking Soul Food to a Whole Nutha Level" and grandson of Harlem's queen of soul food Sylvia Woods

Ruben Studdard

American Idol Winner; The Biggest Loser Contestant; Dubbed the "Velvet Teddy Bear"