Jamie Beard

Geothermal Activist & Executive Director at Project Innerspace

Jamie Beard | TED | The Untapped Energy Source That Could Power the Planet

Apoorv Bhargava

Co-Founder and CEO of Weave Grid

Amy Francetic

Managing General Partner at Buoyant Ventures

Stephane le Gentil

CEO, Clean Energy Business Council

Tim Karlsson

Executive Director, International Partnership for Hydrogen and Fuel Cells in the Economy

Mohammed Al Ta'ani

Secretary General, Arab Renewable Energy Commission

Ali Al Jassim

CEO, Etihad Energy Services

Karan Jerath

Inventor, Petroleum Engineering Student at the University of Texas at Austin

Paul C. “Chip” Knappenberger

Assistant Director, Center for the Study of Science.

Justin Worland

Senior Correspondent at Time

Justin Worland - CNN

Ignacio Galán

Executive Chairman of Iberdrola

Ignacio Galan - BBC Talking Business

Joseph B. Lassiter

Senator John Heinz Professor of Management Practice in Environmental Management

Ramana Nanda

Associate Professor of Business Administration

Lisa Davis

Chairman & CEO of Siemens USA ; Member of the Managing Board at Siemens

Roger Ballentine

President, Green Strategies Inc.

John Carrington

Director and CEO Stem, Inc.

Rich Powell

CEO of ClearPath & ClearPath Action

Enough Red Tape – We Need To Say Yes to Clean Energy | Rich Powell | TED

Cathy Zoi

Former Chief Executive Officer of EVgo

Dr. Graciela Chichilnisky

Professor of Economics and Mathematical Statistics; Director, Columbia University; Columbia Consortium for Risk Management

Mark Lucente

Inventor of holographic video