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

Alex Newell

Grammy Award-Winning Actor & Singer Known for "Glee"

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Alicia Silverstone

Actress & Animal Rights Activist

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"

Amanda Seales

Poet, Spoken Word Artist & Media Personality Known for HBO's "Insecure;" Anti-Smoking Activist

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Anant Agarwal

CEO of edX & Professor at MIT

Anders Sorman-Nilsson

Futurist, Innovation Strategist & Founder of Thinque

Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

Andrea Mitchell

Host of MSNBC’s "Andrea Mitchell Reports" & Chief Foreign Affairs Correspondent for NBC News

Andrea Mitchell - Celebrating 15 years of "Andrea Mitchell Reports"

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Ann Handley

Chief Content Officer of MarketingProfs & Wall Street Journal Bestselling Author

Anne Wojcicki

Co-Founder & CEO of 23andMe

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Baratunde In Media

Bing Chen

Entrepreneur, Creator & Community Builder; Co-Founder of AUM Group & Gold House

Blake Mycoskie

Founder of TOMS, Social Entrepreneur & Author of NY Times Bestseller "Start Something That Matters"