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David Greschler leaves Microsoft

David Greschler, Microsoft’s director of virtualization and cloud computing, has left the company.

Greschler and Douglas A. Brown of the popular virtualization site have founded a new virtualization and cloud community site, PaperShare. Greschler is CEO, and Brown is CTO.

I have a note into Microsoft asking who the new director of virtualization and cloud will be. Amy Barzdukas, a general manager for Microsoft’s Server and Tools Business, will have at least some role; she’s the company’s designated Hyper-V executive for press briefings at next month’s Worldwide Partner Conference. Barzdukas joined Microsoft in 1997 and has previously worked on consumer security and Internet Explorer.

Greschler was the co-founder of application virtualization vendor Softricity, which Microsoft acquired in 2006. During his time as director of virtualization and cloud, Hyper-V debuted and emerged as the number-two server virtualization platform — albeit a very distant number two — behind VMware.

PaperShare allows users (and vendors) to share white papers they think their friends and colleagues may be interested in, and it also includes social media aspects such as status updates, groups and messages. For more information, check out this interview with Greschler and Brown from

UPDATE (3:15 p.m.): Edwin Yuen will replace Greschler as Microsoft’s director of virtualization and cloud strategy. Yuen also joined Microsoft as part of the Softricity acquisition, and he’s been another public face of Hyper-V over the past several years.

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