Aaron David Miller

Senior Fellow, Carnegie Endowment for International Peace

Achenyo Idachaba

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

Adam Scorgie

Independent Filmmaker Known for "The Union: The Business Behind Getting High" and the Followup "The Culture High"

Adnan Nawaz

News Anchor for BBC World

Agapi Stassinopoulos

Inspirational Teacher & Best-Selling Author; Known for "Wake Up to the Joy of You: 52 Meditations and Practices for a Calmer, Happier Life"

Ailsa Chang

Host, All Things Considered, Former Co-host of "Planet Money" Podcast

Ajay Gupta

Creator and Host of Technology Today; Cyber security, IT strategy and Their Implications on Business, Global Business and Strategy

Alan Gregerman

Humorous Authority on Strategy, Innovation and Success

Alan K'necht

Conference speaker, Lecturer, Author, Columnist & Internet Strategist

Alanna Shaikh

Global Health & International Development Writer, TED Fellow, Alzheimer's Disease Advocate

Alejandra Schrader

Award-Winning Author, Plant-Based Nutrition Certified Chef, Food TV Personality & Activist

Alexandra Morton

Business Consultant & Founding President of NPO Global LLC

Alfred Poor

Health Tech Futurist & Writer

Alfred Poor, The Health Tech Futurist

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Alison Kosik

CNN Business Correspondent

Allen Sinai, PhD

Chief Global Economist, Strategist, and President of Decision Economics, Inc.

Alvin Poussaint

Psychiatrist, Media Consultant & Author

Ameenah Gurib-Fakim

Professor, Managing Director at Cephyr, Chemist, Gardener, Photographer & Writer of Books on the Flora of the Tropics, Medicinal Plants

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Andrea Pino

Women's & Civil Rights Activist; Founder of End Rape on Campus

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Andrew J. Coulson

Director of Cato's Center for Educational Freedom

Andrew L. Shapiro

Founder and Partner Broadscale Group

Andrew Mwenda

Ugandan Journalist; Founder and Owner of The Independent, Uganda's Premier Current Affairs News Magazine

Andrew Webber

President & CEO, NBCH

Andrew Zezas

Corporate Real Estate Advisor, Transaction Specialist, Conference Speaker, Author

Andy Acho

Environmental Initiatives Expert and Former Worldwide Director of Environmental Outreach and Strategy, Ford Motor Company

Angela Glover Blackwell

Founder & Former CEO, PolicyLink

Angela Maria Kelley

Immigration Advisor for Open Society Foundations; Former Senior Counselor, Immigration to Department of Homeland Security Secretary

Angela Rose

Professional Speaker, Author, Humanitarian & Entrepreneur