Sergey Zhumatiy has been managing supercomputers since 1999 starting out building and managing HPC clusters at Moscow State University and holds a PhD in computer science. Several supercomputers under his supervising, like Chebyshev, Lomonosov, Lomonosov-2, achieved top rankings in the top500 supercomputers list, and dominated the Russian top50 supercomputers list. Now he works as an HPC Architect and SysAdmin at NVIDIA.