Nikolai Tillmann is a Principal Research Software Design Engineer, Microsoft Research. His main areas of research are program authoring on mobile devices, program analysis, testing, optimization, and verification. He started the TouchDevelop project, which enables end-users to write programs for mobile devices on mobile devices. He leads the Pex project, in which he develops together with Peli de Halleux a framework for runtime verification and automatic test case generation for .NET applications based on parameterized unit testing and dynamic symbolic execution. Nikolai has a Dipl. Inf. in Co...