Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Constance Wu

Actress Known for "Fresh Off the Boat" & "Crazy Rich Asians"

Making a Scene

Michael Che

News Anchor of "Weekend Update" on "Saturday Night Live" & Co-Head Writer

Courtney B. Vance

Actor Best Known for His Role as Ron Carver in NBC's "Law & Order: Criminal Intent"

Luvvie Ajayi

New York Times Best-Selling Author, Podcast Host & Professional Troublemaker

Sophia Grace

Former Child Star Known for the Duo Sophia Grace & Rosie

Sophia Grace and Rosie’s First and Last Appearances on 'The Ellen Show'

Meghan McCain

Political Columnist, Author & Award-Winning Blogger

Grimes

Canadian Producer, Artist, Musician & Singer-Songwriter Known for "Genesis"

Grand Funk Railroad

Grand Funk Railroad (also known as Grand Funk) is a legendary American rock band

Meredith Whitney

Founder & CEO of Meredith Whitney Advisory Group; Influential Financial Analyst Known as "The Oracle of Wall Street"

Meredith Whitney - Yahoo Finance

Melissa Benoist

Actress, Singer & Survivor of Domestic Violence

Ariel Winter

Actress Best Known as Alex Dunphy in "Modern Family"

Sean Carroll

Physicist & Cosmologist at Caltech

Mel Martinez

Mel Martinez is chairman of the Southeast U.S. and Latin America for JPMorgan Chase & Co. Former United States Senator from Florida, a Republican, a Cuban American, and the former Secretary of Housing and Urban Development

Christine Romans

CNN Chief Business Correspondent; Host of "Your Money"

Joey Graceffa

YouTube Personality & Author of "In Real Life"

Luma Mufleh

Inspirational Coach & Founder of The Fugees Soccer Team

Liz Claman

Emmy Award-winning Journalist; Anchor of "The Claman Countdown" on Fox Business

Tim Daly

Emmy-nominated Actor and Advocate for Arts Awareness in Public Schools

Logan Browning

Actress & Singer-Songwriter; Best Known for Her Roles in "Bratz: The Movie" & Netflix's "Dear White People"

Anthony Rapp

Actor, Singer & Author of "Without You: A Memoir of Love, Loss, and the Musical Rent"

Michael Showalter

Comedian/Actor/Filmmaker and Author of "Mr. Funny Pants"

Matt Petersen

President and CEO, Los Angeles Cleantech Incubator

Richelle Carey

Richelle Carey is a news anchor for Al Jazeera America and Al Jazeera English. She was formerly a news anchor for HLN and correspondent for its Prime News broadcast.

Valerie Plame Wilson

Former Career Covert CIA Operations Officer; Best-Selling Author of "Fair Game"

Nick Robinson

Teen Actor Known for Disney Channel's "Frenemies" and ABC Family's "Melissa & Joey," Leading Role in "Jurassic World"

Carey Hart

Retired Freestyle Motocross Racer; Appeared on A&E's "Inked"

Jenni Konner

Producer, "Girls"; Co-Founder of the Lenny Newsletter

Governor George Pataki

Former Governor of the State of New York

Tyler Hoechlin

Television actor; best known for role as Derek Hale on MTV's hit series "Teen Wolf"