He is currently a policy and finance advisor to IUCN. Frank focuses on the use of natural capital data in investment decision-making, and on bringing the conservation and finance communities together to drive changes in international conservation. He was instrumental in creating the Coalition for Private Investment in Conservation and in developing the Species Threat Abatement and Restoration biodiversity metric.

Until August 2021, Frank was the Director of the IUCN North America office. The office supports the 120+ members in the region, and works with domestic foundations, international financial institutions, policy offices and government institutions.

Prior to joining IUCN, Frank was Senior Vice-President at Conservation International (CI). In addition to leading CI’s programme in Africa and Madagascar, during which time he launched the Gaborone Declaration for Sustainability, he also worked on green economy policy and land- use planning issues, emphasizing the value of nature as the basis for sustainable development.

For 20 years until 2007, Frank worked primarily in Madagascar, with CI and other NGOs, where he conducted research on birds, lemurs and carnivores, and supported the government, local communities and local NGOs in implementing the National Environmental Action Plan. He is the co-author of Volume 8 of the Birds of Africa: the Malagasy Region, in addition to four other books and many scientific papers, and is a Chevalier de l’ordre Nationale of Madagascar.