Joe Duffy is CEO of Pulumi, a Seattle startup making it easier for teams to program the cloud. Prior to founding Pulumi in 2017, Joe held leadership roles at Microsoft in the Developer Division, Operating Systems Group, and Microsoft Research. Most recently Joe was Director for Engineering and Technical Strategy for Microsoft's developer tools, leading key technical architecture initiatives, in addition to managing the groups building the C#, C++, Visual Basic, and F# languages, IoT, and all Visual Studio IDE, compiler, and static analysis services. Joe initiated efforts to take .NET open source and cross-platform, and was instrumental in Microsoft's overall open source transformation. Joe has over 20 years of professional software experience, has written 2 books, and still loves to code.