An internationally recognised environmental lawyer, climate change and development policy expert, she has advised leaders and countries for over 20 years. In addition to founding Track 0 she is an Associate Fellow at Chatham House, a visiting Professor at University College London and a member of the Global Agenda Council on Climate Change at the World Economic Forum. Between 1996 and 2002, she was Lead Author for three assessment reports for the Intergovernmental Panel on Climate Change on adaptation and mitigation issues. She continues to provide legal, strategy and policy advice to NGOs, foundations and developing nations on international climate change negotiations under the UNFCCC. She is currently climate advisor to President Hilda Heine of the Marshall Islands.