Fall 2026 Semester Start

Tuesday, August 25, 2026 - 9:00am

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University of Pennsylvania

School of Arts and Sciences

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Department Office

745 Williams Hall
255 S 36th St.
Philadelphia, PA 19104-6305
phone: (215) 898-8704
fax: (215) 573-7794
rees-admin@sas.upenn.edu

Department Chair and Graduate Chair

Kevin M.F. Platt
746 Williams Hall
(215) 908-1685
kmfplatt@sas.upenn.edu

Undergraduate Chair

D. Brian Kim
Williams Hall 752
dbkim@sas.upenn.edu