Teena Meredith Gerhardt (born 1980) is a professor of mathematics at Michigan State University. Her research focuses on algebraic geometry, including algebraic K-theory and equivariant stable homotopy theory.
Gerhardt studied mathematics as an undergraduate at Stanford University, graduating in 2002. She completed her Ph.D. in 2007 at the Massachusetts Institute of Technology. Her dissertation, The
R(S1)
\operatorname{THH}(Fp)
She was a Zorn Postdoctoral Fellow at Indiana University from 2007 until 2010, when she joined Michigan State University as an assistant professor. She was promoted to associate professor in 2017 and full professor in 2023.
Gerhardt has won multiple teaching awards at the Massachusetts Institute of Technology and Michigan State University. She was elected as a Fellow of the American Mathematical Society, in the 2025 class of fellows.