Jesse Huntley Ausubel is an American environmental scientist and program manager of a variety of global biodiversity and ecology research programs. Ausubel serves as director and senior research associate of the Program for the Human Environment of The Rockefeller University.[1] He was also a science advisor (2011–2019) and program manager (1994–2011) at the Alfred P. Sloan Foundation where his main area of responsibility was supporting basic research in science and technology.[2]