JoAnne L. Hewett

JoAnne Lea Hewett
Hewett in 2020
10th Director of the Brookhaven National Laboratory
In office
2023–2025
Personal details
Born
Boulder, CO
CitizenshipAmerican
Scientific career
Alma materIowa State University
FieldsHigh energy physics
Institutions
ThesisSuperstring-inspired E6 phenomenology (1988)

JoAnne L. Hewett is a theoretical particle physicist, a tenured faculty of the C.N. Yang Institute of Theoretical Physics at Stony Brook University.

Her research interests include physics beyond the Standard Model, dark matter, and hidden dimensions. She is a fellow of the American Physical Society and a fellow of the American Association for the Advancement of Science (AAAS).

In April 2023, she was named as the next director of Brookhaven National Laboratory and president Brookhaven Science Associates, taking over these roles from Doon Gibbs. On September 23, 2025, she announced her resignation.