My background is forestry, and I achieved a Doctor of Natural Science in remote sensing and GIS from TU Berlin, Germany, in 1993. I worked at the Royal Forest Department from 1981 to 2002 and Permanent Secretary Office, Ministry of Natural Resources and Environment from 2002 to 2006. Later, I joined with Suranaree University of Technology as Lecturer at the School of Geoinformatics in 2006. My research areas are advanced image classification and processing, forest inventory, landscape ecology, ecosystem service evaluation, LULC change modeling, natural disaster assessment, environmental impact, and land use allocation and planning. I have successfully supervised 17 Master's degree students and 19 Ph. D students for 15 years. Currently, my academic position is Associate Professor and Editor-in-Chief of Remote Sensing and GIS Association of Thailand Journal.