H.S. Lahman has been writing software for more than 50 years, in MIS, scientific, and R-T/E environments. Starting in 1982, he became a pioneering advocate of object-oriented development methods; in the 1990s, he helped lead the movement to improve software quality and development processes. Gregory T. Eakman, VP of Research at Pathfinder Solutions, has successfully applied model-based approaches to a wide variety of embedded systems. He received his PhD from Boston University on automated testing of model-based software.