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

Calvin Nesbitt
Research Engineer

Dan Welsby
Energy Transition Analyst

Edward Terpilowski-Gill
Energy Systems Modeller

Handriyanti Diah Puspitarini
Senior Modeller - Southeast Asia

Irfan Mohamed
South Asia Analyst

Ollie Bell
Research Engineer

Thomas Kouroughli
Co-head of Modelling
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.
