Doreen is the Head of Biodiversity and Land at UNEP’s headquarters in Nairobi, leading work in biodiversity, people and landscapes, one health and sustainable food systems transformation. She joined UN Environment Programme in 2018 as the Chief for Wildlife Management. She was the Regional Chief for Environment with the United States Agency for International Development in Southern Africa for nearly a decade overseeing programs in biodiversity, climate change, water and energy in 14 countries. She also served as Director of the Office of Environment, Rural Development and Food Security in Madagascar and a Senior Advisor for biodiversity policy and programs in Washington DC for USAID. She worked with NGOs earlier in her career, including World Wildlife Fund and spanning a range of locations around the world. She holds degrees in Conservation Biology and Sustainable Development from the University of Maryland and Animal Science from Cornell University.