Mark Duignan has been in involved with IT for more than 25 years. His initial experiences were gained on IBM System/370 mainframes in the CICS era. He worked with the System/38 and then the AS/400 family for more than 20 years. He is passionately devoted to the AS/400 community because of their focus on producing business solutions rather than techno babble.
Mark is a senior architect at LANSA, specializing in commercial application design techniques and framework-based development approaches.
