Jessica Seinfeld

Founder & President of GOOD+ Foundation; Author of Three New York Times Bestselling Cookbooks

Susan Stamberg

Nationally Renowned Broadcast Journalist & NPR Special Correspondent

Erin Andrews

Fox Sports Correspondent & Former Co-Host of "Dancing with the Stars"

Cesar Millan

Host of The Dog Whisperer; Author of Cesar's Way

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

Edie Weiner

President & CEO of The Future Hunters

Rachel Dratch

Comedian, Actress, and Former SNL Cast Member

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Jason Reitman

Academy Award-Nominated Director, Screenwriter & Producer; Best Known for His Work on "Juno" and "Thank You For Smoking"

Drew Houston

Co-Founder & CEO of Dropbox

Dick Costolo

Former CEO of Twitter and Co-Founder of Feedburner

Debbie Sterling

Tech Engineer & Founder and CEO of GoldieBlox; Advocate for Women in STEM

Gayle King

Co-Host of "CBS This Morning" & Editor-At-Large of O, The Oprah Magazine

Sandra Lee

Cancer Survivor, Activist, Author, Emmy Award-Winning Television Chef & Home Life Expert

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

John Smoltz

Former Atlanta Braves Pitcher & National Baseball Hall of Famer; MLB Network and Fox Analyst

Nicholas Sparks

International Bestselling Novelist & Screenwriter, Known for "The Notebook"

Al Letson

Peabody Award-Winning Radio Host, Spoken Word Artist, Playwright

Marty Makary, M.D.

Healthcare Futurist, Johns Hopkins Surgeon & Professor of Public Health

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Roxanne Wilson

Apprentice Candidate, Successful Businesswoman, Strong Community Advocate, and Champion for Fitness

Jeffrey Garten

Professor, Yale School of Management and Expert on Global Business Strategy

Joel Makower

Expert in Sustainable Business, Clean Technology, and the Green Marketplace; Founder of GreenBiz.com

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Kevin O'connor

Professional Speaker, Teacher, Coach & Author for Medical and Technical Leaders

Bob Love

Chicago Bulls Basketball Legend & 3-Time NBA All-Star

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Rahm Emanuel

First Jewish Mayor of Chicago & Former White House Chief of Staff