Climate Advisers Trust


Mission Statement

Climate Advisers Trust is the U.S. non-profit member of the Climate Advisers group. CAT implements major projects to increase climate action, particularly multi-year government grants. We work with governments, non-profit organizations, and private firms to advance the net-zero carbon economy through sound policy, strategic communications, and innovative advocacy efforts. We believe addressing the challenges of climate change requires ambition, commitment and collaboration to achieve transformative impact for national economies, local communities and indigenous people.

Our Board


David Gardiner


David Gardiner is the Principal and President at David Gardiner and Associates where he provides high-level strategic guidance to the corporate executives and non-profit leaders with whom the firm works. Previously, David served as the Executive Director of the White House Climate Change Task Force during the Clinton Administration. He has also held high-level positions at the Environmental Protection Agency and Sierra Club.


K. Russel Lamotte

Russ Lamotte was Beveridge & Diamond's firm-wide Managing Principal from 2017 to 2020. Prior to joining the firm, he served for over ten years as an international lawyer at the United States Department of State, representing the U.S. Government in designing, negotiating, or implementing most of the major multilateral environmental and oceans agreements.


Frank Loy

Frank Loy represented the United States as Chief Climate Negotiator and Under Secretary of State for Global Affairs. He served in senior roles at the State Department under four U.S. Presidents. He chaired the boards of the Environmental Defense Fund and League of Conservation Voters, where he also served as President.


Astrid D. Vermeer 

Astrid Vermeer has served as Chief Financial Officer of World Education Services since September 2020. Prior to that she served in the same role with the International Foundation for Electoral Systems (IFES). She brings over 10 years of operational leadership experience in international development.


Nigel Purvis 

Ex Officio

Nigel Purvis is CEO of Climate Advisers Inc. Previously, he served as U.S. Deputy Assistant Secretary of State for Oceans, Environment & Science, Senior Vice President of the Nature Conservancy and Senior Fellow at the Brookings Institution.

Our Advisers

Climate Advisers Trust benefits from the advice of leading global experts. These experts serve in their individual capacity and not as a formal advisory group.

Tasso Azevedo

Tasso Azevedo was the foundering director of the Institute of Forest and Agriculture Management and Certification, director of the National Forest Program at the Ministry of Environment in Brazil, secretary general of the National Forest Commission, and the first chief and director general of the Brazilian Forest Service.


George T. Frampton

George T. Frampton is the co-founder of the Partnership for Responsible Growth. He was Senior Counsel to the climate and clean energy practice at Covington & Burling LLP, and previously served as Chairman of the White House Council on Environmental Quality (CEQ) as well as Assistant Secretary of the Interior for Fish, Wildlife and Parks.


Rezal Kusumaatmadja

Rezal Kusumaatmadja is the Chief Operating Officer (COO) of PT Rimba Makmur Utama, the project proponent of the Katingan Mentaya Project in Indonesia. Before joining PT RMU, he co-founded Starling Resources. He served previously on the board of the Climate and Land Use Alliance.


Adele Morris

Adele Morris is Policy Director of the Climate and Energy Economics Project at the Brookings Institution. She served previously on staff of the Joint Economic Committee of the U.S. Congress and as the lead natural resource economist for the U.S. Department of the Treasury.


Susan Ruffo

Susan Ruffo is Managing Director of international initiatives at Ocean Conservancy. Previously, she served as Associate Director for Climate Preparedness and Resilience at the White House Council on Environmental Quality and led the Vibrant Oceans portfolio at Bloomberg Philanthropies. She served in the U.S. Foreign Service in Nigeria, Argentina and China earlier in her career.


Michael Wolosin

Mike Wolosin, a PhD forest ecologist, is the founder of Forest Climate Analytics and a Visiting Scholar at Resources for the Future. He was Managing Director for forest policy at Climate Advisers and a senior member of the U.S. forest and climate policy team at The Nature Conservancy.

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