Sam Laidlaw

Chief Executive Officer, Centrica, United Kingdom

Scott Jacobs

CEO & Co-Founder, Generate Capital

Scott Shellstrom

Creativity Innovator, Award Winning Creative Director & Keynote Speaker

Seema Wadhwa

Executive Director of Environmental Stewardship for Kaiser Permanente; Time100 Climate Leader

Health Entrepreneurship: A Practical Guide

Sheila Watt-Cloutier

Environmental, Cultural & Human Rights Advocate, Former Canadian President of the Inuit Circumpolar Council

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Sinan Ülgen

Visiting scholar at Carnegie Europe in Brussels

Sivan Ya'ari

Founder and CEO, Innovation Africa

Spencer Gore

Founder and CEO of Impossible Aerospace

Stephane le Gentil

CEO, Clean Energy Business Council

Steve Curwood

Executive Producer of "Living On Earth"

Steven Gaines

Dean, Bren School of Environmental Science and Management, University of California Santa Barbara

Steven Griffith

Senior Vice President, Research and Development, Khalifa University of Science and Technology

Sue Morter

Doctor & Wellness Expert

Sunny Sanwar

Founder of Verd2GO

Susan Eisenhower

Award-Winning Author, Strategist, National Security & International Affairs Expert

Suzanne Goldenberg

Environment Correspondent, Washington Bureau, The Guardian

T. Morgan Dixon

Women's Health Advocate, Co-Founder & CEO of GirlTrek

T. Morgan Dixon GirlTrek Founders on "Black News Tonight"

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Terri Irwin

Naturalist, Author & Owner of Australia Zoo; Former Star of "The Crocodile Hunter"