Rising Talent

Rising Climate Action Net Zero Speakers

24 credible, up-and-coming voices in climate action net zero - active on the circuit, beyond the household names.

24 rising climate action net zero speakers on Mezzo - including Greg Jackson, Ko Turk, and Etosha Cave. Each with the talks, gig history, and co-appearances to back it up.

Greg Jackson

Greg Jackson

Climate Tech Entrepreneur | Founder of UK's Largest Green Energy Supplier

4 recent talks · through 2026
KT

Ko Turk

Green software engineering speaker | Measuring tech's environmental impact

2 recent talks · through 2025
EC

Etosha Cave

Co-Founder, Opus 12 | Carbon Capture Technology Pioneer

2 recent talks · through 2025
AO

Amy O'Brien

Sustainability Leader | ESG Strategy & Purpose-Driven Business

2 recent talks · through 2026
JL

Joanie Lemercier

Light Artist and Climate Activist | Projection Mapping Pioneer

1 recent talk · through 2024
Nicola Sturgeon

Nicola Sturgeon

Former First Minister of Scotland | Climate & Policy Advocate

1 recent talk · through 2026
Dr Susmita Mohanty

Dr Susmita Mohanty

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

1 recent talk · through 2024
Paul Polman

Paul Polman

Former CEO Unilever | Sustainable Business Leader

1 recent talk · through 2026
TS

Tamara Steffens

Startup Founder | The Future of Technology and Innovation

1 recent talk · through 2025
Luke Tan

Luke Tan

Co-Founder & CPO of Supercritical | Green Hydrogen Pioneer

1 recent talk · through 2024
Lucy von Sturmer

Lucy von Sturmer

Founder and CEO, CREATIVES FOR CLIMATE | Mobilizing Creatives for Climate Action

1 recent talk · through 2025
Jiunn Shih

Jiunn Shih

Chief Marketing, Innovation and Sustainability Officer | Climate and Creativity Leader

1 recent talk · through 2025
Kristjan Lepik

Kristjan Lepik

Co-founder of Arbonics | Transforming forests into strategic economic assets

1 recent talk · through 2024
Christopher Sacca

Christopher Sacca

Climate investor | Proving decarbonization can be profitable at scale

1 recent talk · through 2024
Joe McDonald

Joe McDonald

Energy Startup Founder | Virtual Power Plant Pioneer at tem

1 recent talk · through 2024
Kristy Drutman

Kristy Drutman

Founder & Content Creator at Brown Girl Green

1 recent talk · through 2025
DN

Dennis Nobelius

CEO | Driving Sustainable Mobility Through Automotive Innovation

1 recent talk · through 2025
Gordon Brown

Gordon Brown

Former UK Prime Minister | Global Leadership & Emerging Technologies

4 talks · through 2021
JD

John Doerr

Kleiner Perkins chairman | Backed Google, Amazon, Twitter; introduced OKRs to the world

4 talks · through 2021
JD

Jonathan Drori

Author of Around the World in 80 Trees | Eden Project trustee, botanical storyteller

4 talks · through 2011
Danny Hillis

Danny Hillis

Inventor & Engineer | Scientific Innovation and Emerging Technology

4 talks · through 2017
SA

Stefan Al

Urban planning expert | Exploring sustainable cities and innovative architecture

4 talks · through 2021
Jane Fonda

Jane Fonda

Academy Award-Winning Actor | Climate Justice Activist and Advocate for Women's Rights

3 talks · through 2019
Johan Rockström

Johan Rockström

Environmental Scientist | Climate Change & Sustainability Thought Leader

3 talks · through 2020
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