Diomidis Spinellis is a professor in the Department of Management Science and Technology at the Athens University of Economics and Business (Greece). From 2009 to 2011 he served as the Secretary General for Information Systems at the Greek Ministry of Finance, while in 2013 he worked as a site reliability engineering senior software engineer for Google. He is the author of two award-winning books, Code Reading and Code Quality: The Open Source Perspective, as well as more than 200 widely cited scientific papers. Spinellis has written the UMLGraph tool and code that ships with Mac OS X and BSD Unix distributions. He holds an MEng in software engineering and a PhD in computer science, both from Imperial College London. Spinellis currently serves on the IEEE Computer Society Board of Governors and is a Senior Member of IEEE and the ACM. For more information, visit www.dmst.aueb.gr/dds. Contact him at email@example.com.