Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Joseph Lubin

Founder & CEO of ConsenSys, Co-Founder of Ethereum

Brené Brown

Professor at the University of Houston; #1 New York Times Best-Selling Author; Best Known for "Daring Greatly"

Bear Grylls

Adventurer, Author & Host of "Man Vs. Wild"

Ursula Burns

First Black Woman to Serve as CEO of A Fortune 500 Company; Former Chairwoman of VEON & Former CEO of Xerox

Fortune 500 CEO Ursula Burns reveals personal challenges

Chloe Kim

Elite American Snowboarder, Winter X Games Gold and Silver Medalist, Olympic Gold Medalist

Chloe Kim and Shaun White Thrilled Fans at the Dew Tour

Goldie Hawn

Academy Award-Winning Actress & Founder of the Hawn Foundation

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Hillary Clinton

United States Secretary of State, Obama Administration; Former First Lady

WATCH: Hillary Clinton's full speech at the 2020 DNC

Michelle Obama

Former First Lady of the United States & Bestselling Author

Watch Michelle Obama's Full Speech At The 2020 DNC | NBC News

Sir Richard Branson

Businessman & Founder of Virgin Group

Grant Cardone

New York Times Best-Selling Author, Business Innovator & Top Sales Trainer

Tony Robbins

Entrepreneur, Best-Selling Author & Peak Performance Strategist

Mike Rowe

CEO of mikeroweWORKS Foundation, Creator & Host of Dirty Jobs

Rudy Giuliani

Informal Adviser on Cyber Security for the White House; Former Mayor of New York City; Former U.S. Attorney for the Southern District of New York

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

Angelina Jolie

Academy Award-Winning Actress, Director, Screenwriter, Author & Humanitarian

Reid Hoffman

Co-Founder & Former Executive Chairman of LinkedIn; Partner at Greylock

Barack Obama

44th President of the United States