Frances Arnold

Frances Hamilton Arnold (born July 25, 1956) is an American chemical engineer and Nobel Laureate. She is the Linus Pauling Professor of Chemical Engineering, Bioengineering and Biochemistry at the California Institute of Technology (Caltech). In 2018, she was awarded the Nobel Prize in Chemistry for pioneering the use of directed evolution to engineer enzymes. In 2019, Alphabet Inc. announced that Arnold had joined its board of directors. Since January 2021, she also served as an external co-chair of President Joe Biden's Council of Advisors on Science and Technology (PCAST).