Hales Professor of Psychology Marlene Sandstrom has been named dean of the college, effective July 1.

Sandstrom, who served last year as director of the Williams-Exeter Programme at Oxford, has been at Williams since 1999. She’s served on and chaired several committees, including the Honor Committee, the Committee on Academic Standing, the Committee on Undergraduate Life and the Institutional Review Board.

Her research has been supported by the National Science Foundation and focuses on issues including adjustment, aggression, bullying, bystander behavior and coping among children at school.