Tom Hanrahan is Director of the Open Source Technology Center (OSTC), which includes the Microsoft Open Source Software Lab in Redmond, Washington and the Microsoft-Novell Interoperability Lab in Cambridge, Massachusetts. An important area of focus for the OSTC the past two years has been supporting PHP on Windows development.
Tom, who has previously worked for IBM, the Linux Foundation, Intel®, Sequent Computer Systems, and the Open Source Development Lab, acts as a "bridge" between the Linux community and Windows engineers.
He calls his team's interoperability work his biggest inspiration and "the single most important movement we're seeing in the industry now."
You can find out more about Tom on Microsoft's open source heroes page:
http://www.microsoft.com/opensource/heroes/tom.mspx .