Davis Reuben Sekamwa

Climate Activist, Project Manager in the RiseUp Movement & Co-Founder of 1 Million Activist Stories

Bill Nussey

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

Chris Slubicki

President, Chief Executive Officer & Director of Modern Resources

Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Joel Jean

CEO & Co-Founder of Swift Solar

Adam James

Co-Founder of Clean Energy Leadership Institute; Authority on Renewable Energy & Public Policy

Kate Brandt

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

David Jacoby

President, Boston Strategies International

Bruce Smith

Advisor and Acting Planning Director, Abu Dhabi Water and Electricity Company

Aziz Rabbah

Moroccan Politician; Former Minister of Equipment, Transport and Logistics of Morocco

Dr. Stefan Niessen

Head of Technology Field Energy Systems, Siemens AG

Leen Govaerts

Unit Manager, Smart Energy and Built Environment

Ditlev Engel

Chief Executive Officer, DNV GL – Energy

Saeed Alabbar

Director at AESG

Mohamed Al-Abdalla

Energy & Water Sector Manager, Saudi Arabian General Investment Authority (SAGIA)

Dr. Afshin Afshari

Professor of Practice, Masdar Institute of Science and Technology

Mary Anne Hitt

Clean Energy & Climate Advocate; Director of the Sierra Club's Beyond Coal Campaign

Mark Orlowski

Executive Director and, Founder Sustainable Endowments Institute

Winnie Byanyima

Executive Director of UNAIDS and an Under-Secretary-General of the United Nations; Former Executive Director, Oxfam International

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Jane Burston

Director at Clean Air Fund & Member of the Global Future Council on Energy

Pat Wood

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

Barbara Boxer

Former Democratic Senator of California

Bruce Anderson

Solar Energy Pioneer; Chairman & CEO of 247Solar 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

Chris Turner

Author, Sustainability & Global Cleantech Expert

Doug Fine

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

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Ignacio Galán

Executive Chairman of Iberdrola

Ignacio Galan - BBC Talking Business