"Science Bob" Pflugfelder

Science Communicator, Teacher, Author & Television Personality

Aaron Ashmore

TV Actor Known for "Smallville," "Veronica Mars" and "Warehouse 13"

Aaron Fotheringham

Wheelchair Motocross (WCMX) Athlete Born With Spina Bifida

Aaron Horowitz

Co-Founder & CEO of Empath Labs; Creates Patient-Centered Healthcare Technology

Aaron McCargo Jr.

Chef & Star of "Big Daddy's House" on the Food Network

Aaron Rose Philip

First Black, Transgender, Disabled Model to Sign with a Major Agency

Aaron Ross

Business Growth & Sales Expert; Bestselling Author of "Predictable Revenue"

Aaron Tveit

Actor and Performer; Known for his Role as Danny in "Grease: Live"

Abbey Curran

Former Miss Iowa; Founder of “Miss You Can Do It Pageant”; Author

Abigail Garner

Founder of FamiliesLikeMine.com

Abigail Marsh

Award-Winning Author & Neuroscientist; Director, Georgetown University's Laboratory on Social & Affective Neuroscience

Adam Gazzaley

Founder & Executive Director of Neuroscape; Professor in Neurology, Physiology and Psychiatry at UCSF

Adam Mansbach

American author and professor of fiction who wrote the "children's book for adults" Go the F*ck to Sleep.

Adam Markel

Resilience Researcher, Future of Work and Change Management Expert; #1 WSJ Bestselling Author of "PIVOT" and "Change Proof: Leveraging Uncertainty to Build Long-Term Resilience"

We've Got To Develop Resilience Before We Need It - MUST WATCH!!!

Adeline Gray

Five-Time World Champion Female Wrestler

Adewale Troutman, MD, MPH, MA, CPH

President, American Public Health Association (APHA); Director, Public Health Leadership & Practice at University of South Florida

Adnan Nawaz

News Anchor for BBC World

Adrienne Maloof

Co-owner of Maloof Companies; Star of "The Real Housewives of Beverly Hills"

Agnes Binagwaho

Vice-Chancellor at the University of Global Health Equity; Global Health & Senior Lecturer at Harvard Medical School

Aisha Dean

CEO of STATIS ASSOCIATES and Great-Goddaughter of Rosa Parks