About Us

Our Team

Meet Team UNDO. We’re the scientists, strategists, analysts, researchers, innovators, number crunchers and creative thinkers pioneering enhanced rock weathering.

About us

Executive Leadership

Providing strategic direction and industry expertise to guide UNDO’s mission, ensuring meaningful climate impact at scale.

Jim Mann

Chief Executive Officer and Founder

Mat Meredith

Chief Technology Officer

Dr Pat Okita

Chief Scientific Officer

Alex Bury

Chief Financial Officer

Science, Research & Data

Leading cutting-edge research, measurement, and verification to advance enhanced rock weathering as a climate solution.

Dr Rosalie Tostevin

Head of Science

Tzara Bierowiec

Head of Project Delivery

Dr Will Turner

Head of Data Science

Dr Amanda Stubbs

Research Lead

Dr Peter Wade

Science Modelling Lead

Dr Gregor López Moreira

Geochemical Modelling Lead

Dr Millie Dobson

Senior Geochemist

Dr Giulia Cazzagon

Senior Data Scientist

Dr Talal Albahri

Data Scientist

Matt Healey

Science and Carbon Coordinator

Operations, Measurement & Carbon

Scaling enhanced rock weathering through global operations, logistics, and project execution.

Bea Mocci

Head of Carbon

Ryan Holmes

Carbon Project Manager

Peggy Sue Deaven

General Manager - Canada

Paul Bass

Science Operations Manager

Zoe Couillard

Field Manager

Harris Ivens

Farmer Operations Manager

Declan DeJordy

Lab Manager

Logan Wisteard

Farmer Engagement Coordinator

Amy Frew

Trials Manager

Daniel Chaput

Field Technician

Gabrielle Janfield

Field Coordinator

Renee Richardson

Operations Field Technician

Kayla He

Field / Lab Technician

Maddie Myers

Field / Lab Technician

Karley Hanna

RHS Coordinator

Josh Couillard

Field Technician

Kaylee Dibbits

Lab Coordinator

Nick Vega

Lab Technician

Technology

Building and enhancing the digital and engineering solutions that enable UNDO to measure, verify, and scale its climate impact.

Josh Liberty

Head of Engineering

Nahum Clements

Senior Product Engineer

Tom Thurston

Senior Product Engineer

Commercial

Driving market engagement, strategic relationships, and brand growth to expand UNDO’s global impact.

Chris Zair

Partnerships Director

Jo Spindler

Marketing Director

Charlotte Allkins

Senior Marketing Manager

HQ

Ensuring sustainable growth, financial resilience, and a thriving workplace culture, enabling UNDO to scale effectively.

Han Szurek

Head of People

Lindsey Heggarty

Junior Accountant

Lucy Beney

Executive Assistant