Robert Cecil Martin, known colloquially as "Uncle Bob", is an American software consultant and author. Martin has been a software professional since 1970 and an international software consultant since 1990. In 2001, he initiated the meeting of the group that created agile software development from extreme programming techniques. He is also a leading member of the software craftsmanship movement. His video "code casts" on the Clean Coders website can be purchased on www.cleancoders.com. He founded Object Mentor Inc., a consulting firm that specializes in training their clients in C++, Java, OOP, patterns, UML, agile methodologies, and extreme programming. From 1996 to 1999 he was the editor-in-chief of the C++ Report. In 2002 he wrote Agile Software Development: Principles, Patterns, and Practices, which gives pragmatic advice on object-oriented design and development in an agile team.