Jon Grayson is a specialist in sustainable finance. Before joining Carbon Tracker in 2014, he was the founder-director of EnviroMarket, a niche consultancy focused on innovative financing mechanisms, particularly in forestry and soft commodities. From 2011 to 2014, Jon led operations at the Social Stock Exchange. His earlier career included roles as a strategy consultant with Mars & Co, a cash equities research analyst with Donaldson Lufkin & Jenrette International in the late 1990s, and a change consultant to the UK health service.

Jon provided technical support to Carbon Tracker’s team during the creation of the first Unburnable Carbon report in 2011 and formally joined in 2014 as Chief Operating Officer (COO). He became Director General in June 2018 and served as CEO until July 2024. He continues to contribute to Carbon Tracker’s mission as a Senior Advisor.

Jon holds a first-class BSc and a postgraduate degree in Engineering, and an MSc in Environmental Technology from Imperial College, where he was awarded the ERM prize for his research on win-win business models for sustainability.