Dr Tsutomu Tsuchiya, PhD, Managing Director, General Manager of Technical Division, Chemical Grout Co Ltd
Dr Tsutomu Tsuchiya graduated in engineering from Kyoto University in 1985 and obtained his master’s degree from the same institute 2 years later. He then joined Mitsui Construction Corporation and engaged in infrastructure development until 2001, when he moved to Chemical Grout Company. Since then, he has allocated his career to the development of jet grouting, ground freezing and other ground improvement techniques. He has also participated in various projects such as seismic reinforcement and liquefaction countermeasures. Dr Tsuchiya was awarded his doctorate in engineering in 2020 and is currently the managing director, general manager of the technical division of Chemical Grouting Company Ltd in Japan.