Dr. Yun (Helen) He is a High Performance Computing Consultant in the User Engagement Group (UEG) at NERSC, Lawrence Berkeley National Laboratory. She serves as the main UEG point of contact, among users, systems staff, and vendors, for the NERSC flagship systems including the following Cray systems, XT4 (Franklin), XE6 (Hopper), and XC40 (Cori), deployed over the past 10 years. She specializes in the software programming environment, parallel programming paradigms such as MPI and OpenMP, scientific applications porting and benchmarking, distributed components coupling libraries, and climate models. Helen has been on the Organizing Committee for many important HPC conference series, such as Cray User Group (CUG), SC, HPCS, IXPUG, and OpenMPCon. She is the Program Chair for CUG 2017. Helen also serves on the OpenMP Language Committee to represent Berkeley Lab and general users focusing on simplicity, consistency, and portability in language features.