Stephanie Weirich is a Professor of Computer and Information Science at the University of Pennsylvania. She works in the areas of functional programming, type systems, machine-assisted theorem proving and dependent types. Dr. Weirich has served as the program chair of POPL 2019, ICFP 2010 and the 2009 Haskell Symposium. Her awards include the 2016 Most Influential ICFP Paper award (for 2006) for the paper "Simple unification-based type inference for GADTs" and the 2016 ACM SIGPLAN Robin Milner Young Researcher Award.