Keitaro is a professor at Kyushu Institute of Technology, Japan and teaches landscape design and landscape ecology. And he lives in Gainesville, FL (Univ. of Florida) as a Fulbright scholar and doing a research about green infrastructure in US, Japan. He has studied and worked in Japan, the U.K., Germany and US and interested in ecological landscape design. For the past 15 years, he has been doing nature restoration in urban areas, river restoration, gardens in primary schools, company garden, forest and urban parks. He sometimes enjoys longboard surfing and walking in the mountains outside of the city—this is one of the important reasons to think about nature preservation and restoration.