C. Josh Donlan is an American ecologist and conservation practitioner who founded and leads Advanced Conservation Strategies (ACS). [1] The environmental conservation NGO focuses on program design, sustainability sciences, and evaluation. He has published over 100 peer-reviewed scientific and popular articles, some of them receiving widespread media attention. [2] He is currently a Research Fellow at the Cornell Lab of Ornithology. He splits his time between the Wasatch Mountains and Andalucia.