Todd Purdum

Senior writer at POLITICO and a contributing editor at Vanity Fair

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Tess Vigeland

Author, Veteran Journalist & CEO of Tess Vigeland Productions

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

Anna Escobedo Cabral

Former Treasurer of the United States, Partner at The Cabral Group & Jesse Ball duPont Fund Trustee

William Binney

Former NSA Crypto-Mathematician; Whistleblower

Bill Dedman

Pulitzer Prize-Winning Investigative Reporter for NBC News; Co-Author, "Empty Mansions: The Mysterious Life of Huguette Clark and the Spending of a Great American Fortune"

Nina Davuluri

Thought Leader, Filmmaker, Activist, Performer & Entrepreneur

Beverly Tatum

Best-Selling Author, Higher Education Leadership & Race Relations Expert, President Emerita of Spelman College

Why Are All the Black Kids Sitting Together in the Cafeteria?: And Other Conversations ...

Janet Mock

Author, Feminist, Transgender Rights Activist, TV Host & Founder of #GirlsLikeUs

Victor W. Hwang

VP of Entrepreneurship at Kauffman Foundation; Co-author of "The Rainforest: The Secret to Building the Next Silicon Valley"

Lamman Rucker

Actor, Education Activist, Green Living Advocate & Entrepreneur

Barbara Bradley Hagerty

Religion Correspondent for NPR Who Reports on the Intersection of Faith and Politics, Law, Science and Culture

Phaedra Parks

Producer, Entertainment Attorney & Cast Member of Bravo's "The Real Housewives of Atlanta"

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms

Jason Collins

First Openly Gay Player In Major League Sports; Retired NBA Player; Equality Advocate

Jenna Marbles

YouTube Sensation

Lauren Potter

Actress Best Known for "Glee;" Special Needs Advocate

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Phil Donahue

Creator and Host of "Donahue," the Long-Running Talk Show