Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Sivan Ya'ari

Founder and CEO, Innovation Africa

Joel Makower

Expert in Sustainable Business, Clean Technology, and the Green Marketplace; Founder of GreenBiz.com

Fatih Birol

Executive Director of the International Energy Agency

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Danielle Fong

Entrepreneur & Inventor; Formerly Chief Science Officer and Co-Founder of LightSail Energy, Inc.

Tristram Stuart

Environmental Campaigner, Author & Businessman

Bruce Usher

Columbia Business School Professor; Former CEO of EcoSecurities Group

Pat Wood

CEO of the Hunt Energy Network; Former Chairman of the Federal Energy Regulatory Commission

Mark Tercek

Former President & CEO of The Nature Conservancy

Aaron Sklar

Innovation in Wellness Creative Lead , IDEO

Marc Freedman

Founder & CEO of Encore.org; World Economic Forum Social Entrepreneur of the Year

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Bunker Roy

Founder of Barefoot College

Josh Tickell

America's #1 Expert on the Millennials generation. Creator, Director and Star of the movie "FUEL"

Shel Horowitz

Green Guerrilla Marketer, National Environmental Hall of Fame, Social Activist, and Author

David Walker

Author, Respected Executive and Champion of National Fiscal Responsibility

Robert Zubrin

Aerospace Engineer, Founder of Pioneer Astronautics & Bestselling Author of “The Case for Nukes: How to Beat Global Warming and Create a Free, Open, and Magnificent Future"

Ron Pernick

Co-Founder & Managing Director of Clean Edge, Inc.

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Andrew Savitz

Author, Speaker & Creative Advisor

Chris Turner

Author, Sustainability & Global Cleantech Expert

Christine Ervin

Former US Assistant Secretary of Energy; National Leader on Green Buildings & Clean Energy

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Marc Gunther

Skilled Moderator, Journalist & Author of "Faith and Fortune on Working Towards a Sustainable Business Model"

Marc Gunther, moderator and speaker

Doug Fine

Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author

Louis J. D'Ambrosio

Former CEO Fortune 500 Co's; Senior Advisor to Goldman Sachs; Executive Fellow, Harvard Business School