Abby Wambach

6-Time U.S. Soccer Athlete of the Year; Two-Time Olympic Gold Medalist & FIFA Women's World Cup Champion; Pay Equity & LGBTQ Rights Activist

Adam Savage

Industrial & Special Effects Designer, Educator & Co-Host of "MythBusters"

Al Gore

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

Alaa Murabit

Architect of the Sustainable Development Goals, Nobel Peace Prize Nominee, Gates Foundation Director & UN High level Commissioner

Allyson Felix

Track & Field Athlete, Olympic Champion & 12-Time Gold Medalist at the World Championships; Co-Founder of Saysh

Aloe Blacc

Singer-Songwriter, Rapper & Musician; Known for "I Need A Dollar" & "Wake Me Up"

America Ferrera

Award-Winning Actress, Producer & Humanitarian

Amory Lovins

Co-Founder & Chairman Emeritus of Rocky Mountain Institute

Amy Cuddy

Social Psychologist, Bestselling Author & Award-Winning Harvard Lecturer

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Anant Agarwal

CEO of edX & Professor at MIT

Andrew McAfee

Co-Founder & Co-Director of Initiative on the Digital Economy; Principal Research Scientist at MIT Sloan School of Management

MIT Scientist On The Radical Mindset that Drives Extraordinary Results

Andrew Weil

Physician & Author; Broadly Described Guru of the Alternative Medical Brands

Andy Puddicombe

Co-Founder of Headspace

Anne Wojcicki

Co-Founder & CEO of 23andMe

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

Ashley Judd

Actress, Activist & Humanitarian

Astro Teller

Captain of Moonshots, Google X

Ava DuVernay

Academy Award-Nominated Director & Producer Known for "Selma," "13th" & "When They See Us"

How Film Changes the Way We See the World | Ava DuVernay | TED

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Baratunde In Media