Aaron Peirsol

Three-time Olympic Gold Medalist Swimmer

Achenyo Idachaba

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

Adam Lowry

Co-Founder & Chief Greenskeeper of Method Products

Adam Posen

President of the Peterson Institute for International Economics

Adam Werbach

Global CEO Saatchi & Saatchi S

Adria Vasil

Author of Ecoholic, Leading Environmental Columnist.

Adrienne Maloof

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

Alastair Humphreys

Adventurer, Microadventurer, Blogger, Motivational Speaker; 2012 National Geographic Adventurer of the Year

Alastair Parvin

Co-Founder of WikiHouse Foundation; Designer & Civic Entrepreneur

Alejandra Schrader

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

Alessandra Orofino

Political Mobilization Activist; Director, Writer & Producer

Alex Debelov

CEO of Go X, Electric Scooter Sharing; Co-Founder of Virool, A Self-Serve, Social Video Advertising Platform

Alex Epstein

Founder, Center for Industrial Progress Author, Fossil Fuels Improve the Planet

Alex Matthiessen

President, Riverkeeper

Alex Paen

Alexander A. Likhotal

President of Green Cross International & Former Adviser to Mikhail Gorbachev

Alexandra Paul

"Baywatch" and Lifetime movie star, television host, activist and environmentalist

Alezandra Russell

Mother Teresa Award Winner, Anti-Trafficking Expert & Human Rights Activist

Ali Hewson

Irish Activist and Businesswoman; Wife of Bono

Alicia M. Phidd

Business Law Attorney, Co-Host of Talk Show “Perspective”