Dragan Milicev, PhD, is an associate professor at the Department of Computer Science at the University of Belgrade, School of Electrical Engineering. He is the founder and CTO of Serbian Object Laboratories d.o.o. (SOL, www.sol.rs), a software development company specializing in building software development tools using model-driven technology, as well as in building custom applications and systems. With 25 years of experience in building complex software systems, he has served as the chief software architect, project manager, or consultant in more than 20 academic and international industrial projects. Of note is the fact that he was Chief Software Architect and Project Manager for most of SOL’s projects and all its products: SOLoist, a rapid application model-driven development framework for information systems; SOL UML Visual Debugger, one of the world’s first UML visual debuggers, designed for the Poseidon for UML modeling tool; and SOL Java Visual Debugger, a plug-in for Eclipse that enables modeling of test object structures using UML object diagrams. He has published papers in some of the most prestigious scientific and professional journals and magazines, contributing to the theory and practice of model-driven development and UML. He is the author of three previous books on C++, object-oriented programming, and UML, published in Serbia. You may contact him at dmilicev@etf.rs.