Helen Clarkson is the CEO of Climate Group, an international non-profit organisation dedicated to driving climate action, fast, with the goal to reach net zero by 2050 at the latest. Climate Group drives coalitions of ambitious companies in demand-side campaigns such as RE100, EV100, and SteelZero which shift markets and policies, driving the transition forward. Climate Group is the organisation behind Climate Week NYC, and it is also the secretariat of the Under2 Coalition, the largest network of state and regional governments and organises committed to reaching net zero by 2050. 

Helen is a climate advocate with almost 25 years of experience in humanitarian issues and the climate. Before Climate Group, she was Director at Forum for the Future in the US, and she worked at Medecins Sans Frontieres. She received an OBE in 2022 for services to the climate.