Meet the Visionaries Behind Accelerating the Transition 2026

From California’s clean-energy leadership to national climate innovators, these distinguished speakers will share the strategies, technologies, and stories driving America’s clean-energy transformation.

Our keynote speakers represent some of the most respected voices in clean energy, policy, and climate innovation — sharing insights that inspire action and leadership across sectors.

Featured Keynote Speakers

Jennifer Granholm

16th U.S. Secretary of Energy

Former Governor of Michigan

Mark Z. Jacobson

Professor of Civil & Environmental Engineering

Director

Stanford Atmosphere/Energy Program

Bill Shireman

CEO and President

Solution Citizen

Co-Curator

EarthX Congress of Conferences

Wade Crowfoot

Secretary

California Natural Resources Agency

Carla Peterman

President & Executive Vice President, Customer & Corporate Affairs

PG&E Corporation

Amory B. Lovins

Cofounder and Chairman Emeritus

Rocky Mountain Institute

Nancy Skinner

Commissioner

California Energy Commission

Former State Senator and Climate Policy Leader

Our plenary speakers bring together leading policymakers, researchers, and climate advocates for dynamic panel discussions — driving bold conversations on the most pressing challenges and opportunities in the clean energy transition.

Featured Plenary Speakers

Dan Kammen

Professor

UC Berkeley

Director

Ralph O'Connor Renewable Energy Institute

Nuin-Tara Key

Executive Director of Programs

Senior Advisor & Consultant

California Forward

Cari Harris

Founder & Principal Consultant

The Butterfly Effect

Saharnaz Mirazad

Executive Director

ICLEI USA

Phil Ting

Founder

Illum Advisors

Veery Maxwell

Founding Partner and Co-Head of Innovation + Expansion

Galvanize

Daniel Sperling

Founding Director

Institute of Transportation Studies at UC Davis

John J. Berger

Board Chair and Executive Director

Author

Solving the Climate Crisis: Frontline Reports from the Race to Save the Earth.

Ian E. Monroe

President & CIO

Etho Capital

Co-Founder

Climate Positive Investing Alliance

Tuong-Vi An-Gourfinkel

Former Program Lead

Business France (French Embassy)

Kate Wright

Executive Director of Climate Mayors

Dan W. Reicher

Senior Researcher

Stanford University

Former Assistant Secretary

Energy for Energy Efficiency & Renewable Energy

Dan Lashof

Senior Fellow

World Resources Institute (WRI)

Former COO

NextGen Policy Center

Igor Tregub

Member

Berkeley City Council

Strategic Partnerships Director & Senior Policy Advisor

Reimagine Power.

Jeanie Ward-Waller

Director of Transportation Advocacy

Fearless Advocacy

Former Deputy Director for Planning and Modal Programs

Caltrans

Marc Weiss

Chairman and CEO

Global Urban Development

Visiting Professor

UC, Berkeley

Susan Handy

Professor

UC, Davis

A distinguished group of speakers — from clean tech innovators to policy influencers — will share breakthrough strategies, real-world success stories, and pathways to accelerating climate solutions nationwide.

Featured Speakers

Ken Alex

Director

Project Climate

UC Berkeley Center for Law, Energy & Environment

John Harte

Professor of the Graduate School

UC Berkeley

Theoretical Physicist; Ecologist

Kurt Shickman

Senior Fellow

World Resources Institute (WRI)

Former Executive Director

Global Cool Cities Alliance

Tyrone Jue

Director

San Francisco Department of the Environment

Liane M. Randolph

Former Chair

California Air Resources Board

Jonas Bigersson

Chairman

ViaEurope

Laurie A. Wayburn

Co-founder & President

Pacific Forest Trust

Jonathan Koomey

President

Koomey Analytics

Teresa Cheng

California Director

Industrious Labs

Gil Tal

Director

The Electric Vehicle Research Center, UC, Davis

Bill Shireman

CEO and President

Solution Citizen

Co-Curator

EarthX Congress of Conferences

Priyanka Mohanty

Executive Director

UAW-CMGE

Steve Price

Co-Founder

Urban Advantage

Jeffrey Rissman

Senior Director

Energy Innovation

William R. Horwath

Distinguished Professor of Soil Biogeochemistry

Chairman of the Department of Land, Air and Water Resources

UC, Davis

Harsha Saxena

Founder & CEO

IICSR

Vikrum Aiyer

Head of Climate Policy & External Affairs

Heirloom

Steve Nadel

Executive Director (Ret.) & Senior Fellow

American Council for an Energy-Efficient Economy (ACEEE)

Dr. Stephen Wiel

Board Member and former Founding Chair

CLASP

Former Head

Energy Analysis Dept, LBNL

Cora Stryker

Co-Founder

Bright Saver

Sam Calisch

CEO

Copper

Advisor

Rewiring America

Blake Adams

Chief Resilience Officer

City of Ukiah

Thomas Lee

Founder & President

Derapi

Melissa Yu

Energy Campaigns

Sierra Club

Zach Woogen

Executive Director

Vehicle-Grid Integration Council

Megan Morrice

Advisor HIP Investor + Associate Director

UC Berkeley Sustainable & Impact Finance Initiative

Doreen Wong

Investor & Mentor

Hawaii Technology Development Corporation + Blue Economy

Bruce Biewald

Founder

Synapse Energy Economics

Mike Lin

Director & Lecturer

Stanford University

Founding Partner

Dangerous Ventures

Board of Directors

Cari Harris

Founder & Principal Consultant

The Butterfly Effect

Dr. Stephen Wiel

Board Member and former Founding Chair

CLASP

Former Head

Energy Analysis Dept, LBNL

Kurt Shickman

Senior Fellow

World Resources Institute (WRI)

Former Executive Director

Global Cool Cities Alliance

John J. Berger

Board Chair and Executive Director

Author

Solving the Climate Crisis: Frontline Reports from the Race to Save the Earth.