Noah Galloway

U.S. Army Veteran, Amputee & Finalist on "Dancing With The Stars"

Nancy Frates

CEO of Team Frate Train; Mother Behind the ALS Ice Bucket Challenge; Business Leader, Mentor & Performance Coach

Wendy Davis

Lawyer & Democratic Politician; Founder of Deeds Not Words

Rich Froning

CrossFit Athlete, Coach & Christian Speaker

Andrew Fastow

Former CFO of Enron & Expert on Financial Ethics

Malcolm London

Young Poet, Educator, Activist & TED Speaker Known For "High School Training Ground"

Nik Wallenda

Acrobat, Aerialist, Daredevil & High Wire Artist

Hyeonseo Lee

Advocate for the Human Rights of North Koreans as Political Refugees

David McCandless

Author of "Information Is Beautiful" & Infographics Expert

Jeff Arnold

CEO & Chairman of Sharecare; Former CEO of Howstuffworks and WebMD Corporation

Laurie Holden

Actress Known For AMC's "The Walking Dead;" Human Rights Activist

Shree Bose

Grand Prize Winner of the First Google Global Science Fair & Cancer Researcher

Jeremy Heimans

Co-Founder & Chairman of Purpose; Best-Selling Author; Lifelong Activist & World-Renowned Expert on Building Social Movements

Cynthia Breazeal

Dean For Digital Learning, MIT; Expert on Responsible AI & Social Robotics

Cynthia Breazeal - Mass STEM Week 2020 Keynote

Katherine Berman & Sophie LaMontagne

Co-founders of Georgetown Cupcake; Stars of the hit series "DC Cupcakes" on TLC; Best-selling Authors

Kay Warren

Christian Author

Alexa von Tobel

Founder & CEO of Learnvest.com; New York Times Bestseller Author of "Financially Fearless"

Rand Fishkin

Co-Founder & CEO of SparkToro; Former CEO of Moz; Co-Founder of Inbound.org & Author of "The Art of SEO"

Jason Clay

Senior Vice President of Food & Markets at WWF

Ramona Pierson

Former Managing Director, Head of Product and Innovation at PwC