James Newkirk is a principal in a consulting firm named Object Mentor, based in Illinois. Object Mentor provides software leadership services to the global community. They use XP process improvement, OO design consulting, and the skills that come with experience to help companies get their projects done.
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.