'Gbenga Sesan

Social Entrepreneur; Digital Inclusion & Digital Rights Advocate; Executive Director of Paradigm Initiative

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Aaron Davis

Expert on Attitude & Mindset; Author; Businessman; Former National Champion Football Player

Aaron Horowitz

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

Aarti Shahani

Silicon Valley Correspondent, NPR; Founder, Families for Freedom; Author, "Here We Are: American Dreams, American Nightmares"; Host of "Art of Power"

Abigail Cohen

Goldman Sachs analyst and Chair of the Investment Policy Committee

Adair Turner

British Businessman; Senior Fellow, Institute for New Economic Thinking; Former Chairman of the Financial Services Authority

Adalynn E. Harris

Founder and President of Equity Bridge Consultants

Blacks In Science

Adam Foss

Former Assistant District Attorney in the Juvenile Division of the Suffolk County District Attorney’s Office

Adam Goodes

Retired Australian Rules Footballer; Anti-Racism and Indigenous Rights Activist

Adam Kinzinger

Former Illinois Congressman & Senior Political Commentator for CNN

Adama Iwu

Senior Director of Government Relations at Visa; Co-Founder of We Said Enough

Admiral Dennis C. Blair

Knott Professor of the Practice at the University of North Carolina; Former Director of National Intelligence

Adrian E. Miller

Food Writer, Award-Winning Author, Attorney & Certified Barbecue Judge

Adrian N. Carter

CEO of the Carter Development Group; Expert on Conflict Resolution

Adrian Nicole LeBlanc

Author of "Random Family: Love, Drugs, Trouble and Coming of Age in the Bronx"

Adrian Weller

Principal Research Fellow in Machine learning, University of Cambridge

Adrienne Boissy

Chief Experience Officer, Cleveland Clinic

Afshin Molavi

Senior Fellow at the Foreign Policy Institute at Johns Hopkins; Expert on Global Geopolitical Risk & Emerging Markets

Agnes Binagwaho

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