David leads BSR’s climate practice to maximize the impact of BSR’s applied research, collaborative initiatives, and work with individual companies to reduce greenhouse gas emissions and build climate resilience. He is also the international policy lead for the We Mean Business coalition.

Before joining BSR, David was a climate diplomat for the Marshall Islands with the advisory group Independent Diplomat and led on transparency issues in the UN climate negotiations for the Alliance of Small Island States. As an international lawyer with the Foundation for International Environmental Law and Development, David built up the environmental treaty expertise of countries across the globe. He began his career as a securities litigator with Fried Frank in New York before focusing on climate change and energy.