Jack Ma

Former Executive Chairman of Alibaba Group

Jack Ma retires from Alibaba as he turns 55

Marc Andreessen

Co-Founder and General Partner Andreessen Horowitz

Jessica Seinfeld

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

What Jerry & Jessica Seinfeld Are Teaching Their Kids

Tim Tebow

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

Cesar Millan

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

Kevin Systrom

Co-Founder & Former CEO of Instagram

Ricki Lake

Actress, Producer, Author Host, The Ricki Lake Show

Caterina Fake

Co-Founder of Flickr; Former Chairman of Etsy; Investor at Yes VC

David Suzuki

Environmentalist & Scientist

Rachel Dratch

Comedian, Actress, and Former SNL Cast Member

Marv Levy

Pro Football Hall of Fame Head Coach, Four-Time AFC Champion Coach for the Buffalo Bills, Two-Time CFL Champion Coach, Selected to the NFL’s 1990s All-Decade Team

Marv Levy Retires - YouTube

Jason Reitman

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

Debbie Sterling

Tech Engineer; Founder & CEO of GoldieBlox

Sandra Lee

Emmy Award-Winning Television Chef & Lifestyle Expert; Breast Cancer Survivor & Activist

Sandra Lee opens up about her breast cancer journey

Craig Newmark

Founder of Craigslist; Internet Entrepreneur; Leader in Social Networks

Craig Newmark: "Founder of Craigslist and Craig Newmark ...

Carnie Wilson

Singer & Actress, Founding Member of "Wilson Phillips"

Wilson Phillips - Hold On - YouTube

Tamron Hall

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

Tamron Hall Talks About Her New Talk Show

John Smoltz

Former Atlanta Braves Pitcher; National Baseball Hall of Famer, World Series Champion & 8-Time MLB All-Star

Nicholas Sparks

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

Simon Doonan

Author, SLATE columnist Creative Ambassador for Barneys New York

Jerry Stiller

Comedian & Actor

Sergio Zyman

Marketing Visionary; Former Coca-Cola Marketer

Gary Kelly

Vice Chairman & CEO of Southwest Airlines

Marty Makary, M.D.

Well-Known Surgeon at Johns Hopkins; Best-Selling Author; Patient Advocate & Healthcare Futurist

Matt Hicks

Head of Communications at Zendesk; Former Facebook PR and Social Media Manager

Franklin Graham

President & CEO of the Billy Graham Evangelistic Association, Christian Evangelist & Missionary

Pauly Shore

Stand-up Comedian and Actor

Jeffrey Garten

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

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist; Epilepsy Survivor

Jim McCann

President & CEO of 1-800-FLOWERS.COM