Dr. Sahachaisaeree joined the KMITL Master and PhD Planning Program in 1995. His specialized subjects include design and planning research methodology, environment and behavior, design theories, and political economy thought in planning. After his graduation from KMITL, Chulalongkorn University, and AIT, Dr.Sahachaisaeree was granted a scholarship from the East - West Center, a U.S. federal government funding agency, to accomplish his Ph.D. in the field of urban geography at the University of Hawaii at Manoa. It was the turning point of his scholastic shift from a purely physical design discipline to a more political economy oriented paradigm of thought. He joined the Department of Urban and Regional Planning at KMITL in 1995. His specialized subjects included research methodology in planning, computer application for planning research, and political economy thought in planning. He is also part of a research team assessing urban issues and formulating a development plan for the Bangkok Metropolitan Administration. His current course of research activities lie in the domain of urban land and housing issues set within a third world context, which includes a dissertation entitled, The Political Economy of Land and Housing for the Urban Poor in Bangkok. He is currently serving as chairperson of the Ph.D. Program in Urban and Regional Planning and Multidisciplinary Design Research. Concurrently, he still pursues his interior architectural practice and teachings at private universities. His taught subjects in the field of interior architecture at the postgraduate level include behavioral research methodology, environmental psychology, design methodology, and statistical methods for design research.