"Science Bob" Pflugfelder

Science Communicator, Teacher, Author & Television Personality

9th Wonder

Grammy Award-Winning Producer, Record Executive, DJ & Rapper

9th Wonder On Sampling For Kendrick Lamar | The Formula, S1E2

Aaron Kelly

Country Singer Who First Appeared on Season 9 of "American Idol"

Aaron Lazar

Keynote Speaker: Award-Winning Actor, Singer, & Broadway Star Living with ALS. Motivational Speaker on Hope, Resilience and Purpose

Aaron Lazar's Keynote at Duke University

Aaron Yoo

Actor and Director; can be seen in the CW series "The Tomorrow People"

Abbey Curran

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

Abby Lee Miller

Professional Dance Teacher; Star of "Dance Moms" on Lifetime

Ace Hood

Rapper & Recording Artist

Adam Busch

Adam Busch currently stars on the TBS hit series, "Men At Work." Adam is also known for his role in "Buffy The Vampire Slayer."

Adam Cayton-Holland

Stand-Up Comedian & Member of the Comedy Trio, "The Grawlix"

Adam Trent

Magician & Entertainer Known for "The Illusionists"

Admiral William Fallon

Military Commander; Cybersecurity Expert

Al Letson

Peabody Award-Winning Radio Host, Spoken Word Artist, Playwright

Albert Mensah

Renowned Motivational Speaker & Author

Alex Atala

Brazilian Celebrity Chef; Ranked One of the World's Most Influential Chefs

Alexander Ludwig

Actor Known for his Role in "The Hunger Games"; Currently Appears in History Channel's "Vikings"

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

Ali Brown

Entrepreneur, Business Coach, Author & Television Commentator

Alyse Nelson

Co-founder, President & CEO Vital Voices Global Partnership

Amanda Russell

Digital Marketing & Branding Strategist, Professor (UCLA), Author, Youtube Influencer