Mr. De Guzman's field of expertise includes industrial engineering and management science and operations research. An Electrical Engineering and Mechanical Engineering scholar at the University of the Philippines, he later joined Procter & Gamble as a professional engineed which first exposed to his special field in management. He received a Ford Foundation grant to study management prior to his teaching at the Asian Institute of Management, and was an officer at Harvard University during his stay in the United Stares. He taught at AIM for six years before heading the Population Commission as Executive Director. After leaving government he resumed his consulting practice and joined a startup group specializing in Information Systems Architecture. Later he became an entrepreneur in H&K Firearms and real estate.