Robert Martin (Uncle Bob, @unclebobmartin) has been a programmer since 1970. He is the Master Craftsman at 8th Light inc, co-founder of the on-line video training company: cleancoders.com , and founder of Uncle Bob Consulting LLC. He is an acclaimed speaker at conferences worldwide, and the author of many books including: The Clean Coder, Clean Code, Agile Software Development: Principles, Patterns, and Practices, and UML for Java Programmers. He is a prolific writer and has published hundreds of articles, papers, and blogs. He served as the Editor-in-chief of the C++ Report, and as the first chairman of the Agile Alliance. He is the creator of the acclaimed educational video series at cleancoders.com.