Dimitrios Nikolopoulos served as Program Chair of the 37th ACM International Conference on Supercomputing, which was held June 21-23 as part of ACM FCRC. The conference brought together leading researchers in the architecture, software, and applications of high-performance computing systems. The program featured an excellent keynote by Bill Magro on the future of high-performance computing in a highly heterogeneous but also converged hardware ecosystem. Dimitrios also served as keynote chair of the 14th ACM Conference on e-Energy.