'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 David Miller

Senior Fellow, Carnegie Endowment for International Peace

Aaron Horowitz

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

Abigail Cohen

Goldman Sachs analyst and Chair of the Investment Policy Committee

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

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 Kinzinger

Former Illinois Congressman & Senior Political Commentator for CNN

Adam Nash

VP of Product & Growth for Dropbox, Lecturer at Stanford University

Adam Ostrow

Chief Digital Officer, TEGNA

Adam Posen

President of the Peterson Institute for International Economics

Adama Iwu

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

Adewale Troutman, MD, MPH, MA, CPH

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

Admiral Dennis C. Blair

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

Admiral Michael Mullen

Chairman, Joint Chiefs of Staff (2007-2011)

Admiral William Fallon

Military Commander; Cybersecurity Expert

Adrian E. Miller

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

Adrian Nicole LeBlanc

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