Microsoft's Cloud OS Dream Team: Who's Who

Microsoft's Cloud OS Dream Team: Who's Who

Summary: Microsoft hand-picked a core group of top engineers to develop its Red Dog cloud operating system. Here's the who's who list.


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  • Proebsting oversees technical strategy for Azure. Before that he was a director in Microsoft's Center for Software Excellence, leading a team building binary technology tools and platforms. He also created and led efforts to deploy "prediction markets" inside Microsoft for business-intelligence purposes. Before becoming part of various product groups, Proebsting was a senior researcher with Microsoft Research, managing a programming-language research group. Proebsting was an assistant professor at the University of Arizona, has worked as a developer at a startup and also as an employee of Sun Microsystems.

  • 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.

Topics: CXO, Microsoft, Operating Systems, Software


Mary Jo has covered the tech industry for 30 years for a variety of publications and Web sites, and is a frequent guest on radio, TV and podcasts, speaking about all things Microsoft-related. She is the author of Microsoft 2.0: How Microsoft plans to stay relevant in the post-Gates era (John Wiley & Sons, 2008).

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