Johannes Doerfert is a researcher in the Argonne Leadership Computing Facility at the Argonne National Laboratory. He develops LLVM and Clang enhancements that enable compiler optimization for parallel programs. Johannes is also part of several ongoing efforts to make compiler software ready for exascale computing. 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, and the EuroLLVM in 2017. Johannes received his Ph.D. in Computer Science from Saarland University in 2018.