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

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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By Mary Jo Foley, Contributor on
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1 of 9 Mary Jo Foley/ZDNet
Microsoft hand-picked a core group of top engineers to develop its Red Dog operating system that is at the heart of its Azure cloud-computing platform. Here's the who's who list of the technical talent behind Red Dog.

Srivastava is Red Dog's top dog. He was encouraged by CEO Steve Ballmer and Chief Software Architect Ray Ozzie in 2006 to spearhead Microsoft's cloud-computing initiative. Srivastava joined Microsoft in 1997 as a Senior Researcher and led the Advanced Development Tools group in Microsoft Research He was instrumental in building and leading Microsoft's Programmer Productivity Research Center (PPRC). He joined the Windows team in 2003 and was put in charge of redefining the engineering processes for Windows Vista. He was responsible for the development of core OS components, including the kernel, Os architecture and advanced development tools. Before joining Microsoft, he was Chief Technical Officer and VP of engineering with TracePoint Technology, a Digital Equipment spinoff. Like other members of the Red Dog team, he was part of Digital's Western Research Lab.

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Cutler, the father of the NT and Digital Equipment Corp.'s VAX VMS operating systems, needs little introduction. Prior to joining the Azure team to help specifically with the hypervisor development work, Cutler was working on the development and design of 64-bit Windows. He joined Microsoft in 1988 and subsequently launched the Windows NT group. Cutler was awarded membership in the National Academy of Engineering in 1993.

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Calder is the architect of Windows Azure Storage, the file-system layer for the cloud platform. Before joining Microsoft he was a professor at the University of California , San Diego, where he specialized in systems, architecture and compilers. He was the cofounder of three startups: Entropia (distributed comuting), TracePoint (program analysis tools for X86) and Bit-Raker (program-analysis tools for ARM). He also worked as a principal engineer at Digital Equipment Corp.'s Western Research Lab.

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Das leads the Developer Experience team. His job is "to translate the functionality provided by the service components of Windows Azure into a familiar, intuitive and cohesive platform for service developers."

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Hudson is responsible for running all production instances of the Windows Azure platform. A 10-year Microsoft veteran, he's been involved in static code analysis and the establishment of feedback loops on large-scale engineering systems.

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Khalidi, a distributed-computing specialist, is overseeing the work on Azure's clustering and fabric-controller components.

Before joining the Azure team, Khalidi led an advanced development team in Windows that tackled a number of related operating-system areas, including application model, resource management, and isolation. He also served as a member of the Windows Core Architecture group. Prior to joining Microsoft, Khalidi was a Distinguished Engineer at Sun Microsystems, where he worked for 14 years. At Sun, he was Chief Technology Officer and Chief Architect of Solaris; Chief Architect and Director of the Sun Cluster line; Chief Architect of Sun's N1 utility-computing initiative; and principal architect of the Solaris MC and Spring operating systems.

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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.

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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.

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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.

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