Based in London, we're a team of analysts, engineers, scientists and communicators creating practical tools for today's greatest challenge - the energy transition
Abhishek Shivakumar
Co-head of Modelling
Adam Mould
Senior Frontend Engineer
Alex Luta
East Asia Lead Analyst
Alisha Tuladhar
Financial Controller
Anca Chereches
Senior Software Engineer
Anna Hartley
Communications & Marketing Manager
Briony Robertson
Interim Head of People
Calvin Nesbitt
Senior Research Engineer
Charlotte Underwood
Geospatial Data Engineer
Dan Welsby
Energy Transition Analyst
Dani Honeywood
People Operations Associate
Edward Terpilowski-Gill
Energy Systems Modeller
Fiona Howarth
Board Chair and Trustee
Geoff Sinclair
Board Trustee
George Ebri
Research Analyst
Grace Mitchell
Data Engineer
Handriyanti Diah Puspitarini
Senior Modeller - Southeast Asia
Hristina Petkova
Business Operations Lead
Irfan Mohamed
Senior Energy System Modeller
Isabella Suarez
Head of Engagement - Southeast Asia
Isabella Söldner-Rembold
Head of Data
James Edwards
Chief Technology Officer
James Rice-Mellor
Software Product Manager
Joe O’Connor
Head of Machine Learning
Joel Yap
East Asia Analyst
John Heal
Principal Data Engineer
Jon Yirrell
Data Analyst
Khandekar Mahammad Galib
Junior Data Engineer
Laura O’Neill
Head of People
Madelyn Heldman
Founders Associate
Mason Phillpott
Senior Data Scientist
Matt Gray
CEO & Co-Founder
Max Santos
Data Scientist
Megan Bates
Software Engineer
Melissa Brown
Consultant Analyst
Michael Guzzardi
Senior Data Product Manager
Odette Enricuso
Philippines Analyst
Sabina Parvu
Data Engineer
Stephanie Stevenson
COO
Temiloluwa Olushola
Senior Front-end and UX Engineer
Thomas Kouroughli
Chief of Staff
Thu Vu
Senior Analyst — Southeast Asia
Udit Gandhi
Board Trustee
Verity Crane
Heavy Industry Lead
Company values
As an impact-led technology company, our values help us collaborate and create work that drives change.
We are all responsible for delivery at TransitionZero. We move fast but without sacrificing quality through discipline, professionalism and focus.
The energy transition is a complex challenge. Cross-functional collaboration and honest communication help us deliver ambitious, impactful work.
Our mission demands speed and scale. This requires resilience backed up by a positive, inclusive culture where we all feel valued and empowered to speak up.
Intelligence isn’t just about IQ. We value curiosity, adaptability, and creative problem-solving. We all have unique skills and are willing to learn from each other so we can grow together.
