Selwin Charles Hart is the special adviser to the Secretary-General on Climate Action and assistant secretary-general for the Climate Action Team. In this role, he works to ensure enhanced levels of ambition on climate change, focusing on Member State support, coalition-building, UN system engagement, and public mobilization to implement the Paris Agreement on Climate Change. Previously, Hart served as the executive director for the Caribbean at the Inter-American Development Bank and as ambassador to the United States and the Organization of American States for Barbados. Throughout his career, Hart has served in several climate change leadership positions, including as climate advisor for the Caribbean Development Bank, chief climate change negotiator for Barbados, and as coordinator and lead negotiator on finance for the Alliance of Small Island Developing States.