Karen B. Strier is Vilas Research Professor and Irven DeVore Professor in the Department of Anthropology at the University of Wisconsin-Madison. She earned her doctorate from Harvard University and is an internationally reknown primatologist and an authority on the endangered northern muriqui, a species of primate that she has studied in the Brazilian Atlantic Forest since 1982. She is co-president of the Inter-American Network of Academies of Sciences – IANAS and served as president of the International Society of Primatology from 2016 to 2022. She is a member of the US National Academy of Sciences (NAS), the Brazilian Academy of Sciences (ABC), the American Academy of Arts and Sciences and the American Association for the Advancement of Sciences. She has chaired committees and served in leadership roles in these and other professional societies. Renowned primatologist and conservationist, she has received numerous awards including the Muriqui Prize from the Mata Atlantica Biosphere Reserve. Her pioneering, long-term field research has been essential to conservation efforts on behalf of the muriqui and has influenced the development of comparative perspectives on primate behavioral ecology and biodiversity more broadly.