Pimm is currently Doris Duke Chair of Conservation Ecology in the Nicholas School of the Environment at Duke University, Durham, North Carolina. He is an acknowledged authority in the field of conservation biology, recognized with several awards including the Heineken Prize and the Tyler Prize for Environmental Achievement. Pimm has collaborated with a wide range of other scientists, including Robert May, Peter H. Raven, Joel E. Cohen, George Sugihara and Jared Diamond. His work has examined the mathematical properties of food webs and indicated that complex food webs should be less stable than simple food webs.
Pimm is a prolific writer. He has published more than 250 peer-reviewed scientific articles, including several in the scientific journals Nature and Science". He has published several books including, A Scientist Audits the Earth and he has published articles in popular science publications such as Scientific American. He is a regular contributor to the National Geographic blog.
Pimm is a Master of Ecological Conservation with The Beijing DeTao Masters Academy (DTMA), a high-level, multi-disciplined, application-oriented higher education institution in Shanghai, China.