Prior to assuming the current position in June 2016, he served key positions in the Ministry including Director General of Global Environment Bureau (2014), Director General of Waste Management and Recycling Department (2012) and Councilor of Minister's Secretariat (2010). He graduated from Faculty of Engineering, the University of Tokyo (1979).
After graduating from Tokyo Institute of Technology, Mr. Asaba entered Kanagawa Prefectural Government in 1980. He served in various positions, including Director of the Urban Planning Division, Executive Director of the Ecological Urban Department, Executive Director of the Urban Areas Department, Director General of the Prefectural Land Development Bureau. He was assigned to the current position, Vice Governor, in May 2016.