Joan S. Valentine

Joan Selverstone Valentine
Born1945 (age 7980)
CitizenshipUnited States
Alma materPrinceton University (Ph.D. 1971)
Smith College (A.B. 1967)
Known forsuperoxide dismutase, superoxide radical
Scientific career
FieldsBioinorganic chemistry, Biochemistry
InstitutionsUniversity of California, Los Angeles

Joan Selverstone Valentine (born 1945) is a biological inorganic chemist and biochemist. Valentine's current work examines the role of transition metals, metalloenzymes, and oxidative stress in health. Her foremost expertise is superoxide anion and its functional enzyme superoxide dismutase. Valentine has been a member of the faculty of the University of California, Los Angeles since 1980. She served as Associate Editor of the journal Inorganic Chemistry from 1989 to 1995, and served as Editor-in-Chief of Accounts of Chemical Research from 1994 to 2013. In 2005, she was elected to the National Academy of Sciences.