Johannes Doerfert is a researcher at the Argonne National Laboratory. He develops LLVM and Clang enhancements that enable compiler optimization for parallel programs. Johannes also leads Argonne's efforts to make compiler software ready for exascale computing as part of the Exascale Computing Project (ECP). He is an active member of the OpenMP Language Committee and already organized various LLVM related workshops and conferences, including the LLVM Performance Workshops @ CGO, LLVM Parallel Processing @ ICPP, and the EuroLLVM in 2017. Johannes received his Ph.D. in Computer Science from Saarland University in 2018.