I am appointment as a part-time professor in Globally Distributed Software Engineering at the Delft University of Technology. I am also the CTO of Prowareness. At Delft University of Technology I lead the research and education on globally distributed software engineering. At Prowareness I am working in practical global software engineering. Together with my colleagues in the Netherlands, Germany, India and the United States, we help our customers with fast delivery of working and tested software. Scrum and Agile are key in this to help us keeping our promises. I am an author of >100 papers and have written 12 books, of which the most recent one "Scrum for Managers" is published with Happy Melly Express.