James "Jim" Edward Allchin is a former executive at Microsoft. He was responsible for many of the platform components from Microsoft including Microsoft Windows, Windows Server, server products such as SQL Server, and developer technologies. He may be most known for building Microsoft's server business. After sixteen years at Microsoft, Allchin retired in early 2007 - on the day that Microsoft officially released the Windows Vista operating system to consumers. He is also known for his leading role in the architecture and development of the directory services technology Banyan VINES. He has won numerous awards through the years such as Technical Excellence Person of Year in 2001. Allchin is now a professional musician.