Robert C. Martin has been a software professional since 1970 and an international software consultant since 1990. He is founder and president of Object Mentor, Inc., a team of experienced consultants who mentor their clients in the fields of C++, Java, OO, Patterns, UML, Agile Methodologies, and Extreme Programming.
Dirk Riehle is a software engineer at Ubilab. He is involved in the Geo project, which is setting up a reflective distributed object-oriented software architecture.
Frank Buschmann is a software engineer at Siemens, where he focuses on object-oriented technology, software reuse, and patterns. He is a member of the ANSI C++ standards committee.