Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Jon Acuff

Lead Pastor, Christian Speaker; New York Times Bestselling Author of "Do Over"

Adam Richman

Host, Man v. Food, Man v. Nation

Afterburner

US Fighter Pilots & Team-Building Experts

Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Buzz Aldrin

Former Fighter Pilot & 2nd Man to Walk on the Moon; Author

Tony Alessandra

Premier Communications Expert; Author of "The Platinum Rule;" Chairman of BrainX.com

Jason Alexander

Star of Seinfeld

Devin Alexander

New York Times Bestselling Author, Celebrity Chef Known For "Biggest Loser"

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Alice Waters Talks Chez Panisse, Starting a Victory Garden, and ...

Alicia Silverstone

Actress & Animal Rights Activist

Daniel Altman

Sports Analytics & Strategy Expert

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Wally Amos

Founder of Famous Amos Cookies

Anthony Anderson

Actor, Producer, Comedian, Writer & Game Show Host, Best Known for ABC’s "Black-ish"

Sunny Anderson

Co-Host, Food Network's "The Kitchen"

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Julie Andrews

Singer, Actress, Author & Humanitarian