Partner Director of Software Security, Microsoft CorporationSteven B. Lipner is Partner Director of Software Security in Trustworthy Computing Security at Microsoft. Lipner leads Microsoft’s Security Development Lifecycle (SDL) team and is responsible for the definition, support and application of Microsoft’s SDL process and for tools and programs to make the SDL available to organizations beyond Microsoft. He is also responsible for Microsoft’s corporate strategies and policies for supply chain security and for strategies related to government security evaluation of Microsoft products. He is coauthor of The Security Development Lifecycle and is named as inventor on twelve U.S. patents and two pending applications in the field of computer and network security. He serves as a board member and chair of SAFECode.