Robert C. Martin (Uncle Bob) has been a programmer and software development expert since 1970. He is founder of Uncle Bob Consulting, LLC, and cofounder with his son Micah Martin of The Clean Coders LLC. Martin has published dozens of articles in various trade journals and is a regular speaker at international conferences and trade shows. He is the author of many books, including Agile Software Development: Principles, Patterns, and Practices; UML for Java Programmers; Clean Code; The Clean Coder; Clean Architecture; Clean Agile; Clean Craftsmanship; and Functional Design. Martin served for three years as editor-in-chief of the C++ Report and as the first chairman of the Agile Alliance.