Jurgen Appelo is a writer, speaker, trainer, entrepreneur, illustrator, developer, manager, blogger, reader, dreamer, leader, freethinker, and… Dutch guy.

Since 2008 Jurgen writes a popular blog at www.noop.nl, which deals with development management, software engineering, business improvement, personal development, and complexity theory. He is the author of the book Management 3.0: Leading Agile Developers, Developing Agile Leaders, which describes the role of the manager in agile organizations. He is also a speaker, being regularly invited to talk at business seminars and conferences around the world.