Mr. Horng-Yuh Guo is the emeritus research fellow in Taiwan Agricultural Research Institute, COA. His research field includes soil survey, land evaluation and utilization planning, soil fertility and soil improvement.

He started his research on the soil field in the university and joined the department of soil and environmental sciences at the National Chung Hsing University as an assistant research fellow after he finished the postgraduate studies. Then, he entered the Taiwan Agricultural Research Institute and was in charge of several soil research projects. During 37 years of work experiences in the Taiwan Agricultural Research Institute, Mr. Horng-Yuh Guo spent most of his time collecting and sampling the soil around Taiwan. He also contributed to establishing the digital platform for soil data in Taiwan and also the first soil museum in Taiwan in which was opened in 2004.

The number of soil samples in Taiwan ranks third in the world, after Russia and the Netherlands. The Soil Museum is not only the largest in Taiwan but also the largest and best soil museum in Asia attracted more than 150 soil scientists to visit from worldwide.