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 Keynotes & Plenary Leaders

David Hochschild

Chair, California Energy Commission

Leads California’s clean energy strategy and solar expansion. Cofounder of Vote Solar and recipient of the U.S. DOE Million Solar Roof Award and AES Person of the Year 2024.

Wade Crowfoot

Secretary, California Natural Resources Agency since 2019

Leads efforts to conserve California’s environment and natural resources. Advises as a member of Governor Gavin Newsom’s cabinet.

Oversees 25,000 employees in 26 departments, commissions, and conservancies to steward California’s natural resources and lead it’s clean-energy transition and efforts to conserve 30 percent of its land and coastal waters by 2030.

Former deputy cabinet secretary and senior advisor to the Governor Jerry Brown, driving climate action.

Mark Z. Jacobson

Professor of Civil & Environmental Engineering

Director, Stanford Atmosphere/Energy Program

Developer of roadmaps to transition states and countries to 100% clean energy.

Renowned for scholarship in global warming, meteorology and  atmospheric science.

Kate Gordon

CEO of California Forward

Former Senior Advisor to U.S. Energy Secretary Jennifer Granholm

Former Director, Governor’s Office of Planning and Research and Senior Climate Policy Advisor to Governor Gavin Newsom.

Tyrone Jue

Director

San Francisco Department of the Environment

Amory B. Lovins

World-renowned energy strategist and author championing integrative design for a low-carbon economy.

Physicist and  cofounder (1982) and chairman emeritus of Rocky Mountain Institute

Chief scientist, RMI, 2007–19;  current contractor and trustee.

Energy advisor to major firms and governments in 70+ countries for 45+ years

Author/coauthor of 31 books and more than 700 papers

Integrative designer of superefficient buildings, factories, and vehicles.

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

Dan Kammen

Professor, UC Berkeley

Director, Ralph O'Connor Renewable Energy Institute

Ken Alex

Director, Project Climate

UC Berkeley Center for Law, Energy & Environment

Cari Harris

Founder & Principal Consultant

The Butterfly Effect

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

Bill Shireman

CEO and President of Solution Citizen

Co-Curator of the EarthX Congress of Conferences

Steve Nadel

Executive Director (Ret.)

American Council for an Energy-Efficient Economy (ACEEE)

Ian E. Monroe

President & CIO, Etho Capital

Co-Founder; Climate Positive Investing Alliance

Nuin-Tara Key

Executive Director of Programs

California Forward, Senior Advisor & Consultant

Michael H. Shuman

Economist, Author & Adjunct Professor, Bard Business School; Senior Researcher

Council Fire

Dr. Stephen Wiel

Board Member and former Founding Chair, CLASP

Former Head, Energy Analysis Dept, LBNL

Dan W. Reicher

Senior Researcher, Stanford University

Former Assistant Secretary of Energy for Energy Efficiency & Renewable Energy

Dan Lashof

Senior Fellow

World Resources Institute (WRI)

Former COO

NextGen Policy Center

Leo Kayali

Founder, CEO

Invo Station

Mark Weiss

Chairman and CEO

Global Urban Development

Visiting Professor

UC, Berkeley

Saharnaz Mirazad

Executive Director

ICLEI USA

Igor Tregub

Member, Berkeley City Council

Strategic Partnerships Director & Senior Policy Advisor

Reimagine Power.

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.

Diverse Voices, Shared Mission

Our speaker lineup reflects the diversity of the clean energy movement — scientists, policymakers, investors, educators, and community leaders. Together, they represent the innovation and collaboration essential to a just and sustainable future.