Helen joined Climate Group in March 2017 as Chief Executive Officer. Climate Group is an international non-profit organisation with a mission to drive climate action, fast. It brings together coalitions of ambitious companies in demand-side campaigns such as RE100, EV100, and SteelZero which work to shift markets and policies, as well as leading the Under2 Coalition of state and regional governments, and every year delivering Climate Week NYC, the world's largest climate week.

In addition to leading the growing Climate Group team, Helen sits on the board of the We Mean Business Coalition, and is on the board of the Sustainable Development Capital Energy Efficiency Income Trust.

Prior to joining Climate Group, Helen worked at Forum for the Future where she founded the organisation's US office. Helen joined Forum from Médecins Sans Frontières where she worked on humanitarian missions in countries including Democratic Republic of Congo, Sudan, Pakistan and Nigeria.

Helen qualified as a Chartered Accountant with Deloitte, and has an undergraduate degree in Philosophy from Cambridge University, and a master's degree from Birkbeck College, University of London.

Helen was awarded an OBE in June 2022 for services to tackling climate change and supporting the UK Presidency of the 2021 United Nations Climate Change Conference of the Parties (COP26).