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Rana, a 14-year Microsoft vet, is spearheading cloud infrastructure services in Azure. Among the technologies with which he and his team are working: Distributed monitoring and analysis systems; program analysis infrastructures; tools for correctness, performance, testing and diagnosis; and security of distributed systems. Rana started the Programmer Productivity Research Center Reliability Research Group working on static program analysis tools like PREfix, PREfast and ESP. In 2005, he was appointed to head up Vista Engineering, leading the "Longhorn Reset" planning, Windows build architecture and Vista Quality Gates efforts.
Vo is the director of the OS/hypervisor on Azure. His team is developing the lowest-level components in Azure. Before joining the Azure team, Hoi was a software architect in the Programmer Productivity Research Center inside Microsoft Research, focusing on building infrastructures for code analysis and optimization at the binary level without the need for source code. He also worked on Cairo, Microsoft's object-oriented operating system project. Before joining Microsoft, Vo was a systems engineer at Compaq Computer.