Mezzo profiles 287 climate action net zero speakers, including Steven Chu, Tega Brain, and Nick Zumbühl. Each has a verified gig record.
Together they've given 363 talks across 72 events.
Who are the top climate action net zero speakers?
287 speakers · showing 1–24

Steven Chu
Nobel Laureate Physicist | The Energy Transition
Tega Brain
Environmental Engineer and Artist | Co-author of Code as Creative Medium

Staffan Helgesson
European Tech Venture Capitalist | Early Creandum Founder Investing in AI and Climate

David Crane
Energy Infrastructure Leader | Biden Administration's Sustainability Expert
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Lucas Christel
Climate Tech Pioneer | AI-Powered Real Estate Platform Founder

Bill Gross
Idealab Founder | Incubating New Inventions & Businesses

Topher White
Environmental Technologist | Transforming E-Waste into Rainforest Protection Solutions

Christiana Figueres
UN Climate Champion | Paris Agreement Architect and Climate Action Catalyst

Andrew Winston
Global Sustainability Expert | #3 Thinkers50 Management Thought Leader
Marissa Jarratt
Chief Marketing & Sustainability Officer, 7-ELEVEN | Driving Climate-Positive Innovation

Enric Sala
National Geographic explorer | Leading global ocean conservation and marine protection initiatives

Nick Zumbühl
Nala Earth founder | Building nature intelligence platform for climate action

Johannes Tervo
Energy Engineer & Slush Organizer | Industrial Electrification Pioneer

Kathryn Larsen
Designer | Reviving eelgrass as a sustainable building material

Kristen Marhaver
TED Senior Fellow | Coral Reef Conservation & Marine Science

Amory Lovins
Professional Speaker

Luke Tan
Co-Founder & CPO of Supercritical | Green Hydrogen Pioneer

Sophia Kianni
Climate activist | Breaking down language barriers in environmental action

Achim Steiner
Global Sustainability Leader | Former UN Development Programme Administrator
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Gordon Brown
Former UK Prime Minister | Global Leadership & Emerging Technologies
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Jane Fonda
Academy Award-Winning Actor | Climate Justice Activist and Advocate for Women's Rights

Eric Berlow
Environmental Scientist | Social Impact & Systems Change
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Johan Rockström
Environmental Scientist | Climate Change & Sustainability Thought Leader
Ko Turk
Green software engineering speaker | Measuring tech's environmental impact
Rising speakers
Active, up-and-coming voices in Climate Action Net Zero — beyond the household names
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Greg Jackson
Climate Tech Entrepreneur | Founder of UK's Largest Green Energy Supplier
Ko Turk
Green software engineering speaker | Measuring tech's environmental impact
Etosha Cave
Co-Founder, Opus 12 | Carbon Capture Technology Pioneer
Amy O'Brien
Sustainability Leader | ESG Strategy & Purpose-Driven Business
Joanie Lemercier
Light Artist and Climate Activist | Projection Mapping Pioneer

Nicola Sturgeon
Former First Minister of Scotland | Climate & Policy Advocate

Dr Susmita Mohanty
Pioneering spaceship designer | Founder of India's first private space startup

Paul Polman
Former CEO Unilever | Sustainable Business Leader