Stephanie Singer

Stephanie Frank Singer is an American mathematician and local politician in Philadelphia, Pennsylvania. Singer was born in 1964 to Maxine and Daniel Singer. She earned a B.A. in mathematics from Yale University and a Ph.D in mathematics from the Courant Institute of New York University in 1991, under the supervision of Nicholas Ercolani. She then taught mathematics at Haverford College from 1991 to 2002, first as an assistant professor and after 1998 as an associate professor.

Singer was elected Democratic Party committeeperson for Philadelphia's 8th Ward in 2008. In 2011, she was elected as a city commissioner, defeating 36-year incumbent Marge Tartaglione. Singer served one term as city commissioner from 2012 to 2015.