Taku Masumoto, East Japan Railway Company, Energy Planning Department, Manager (River Environment). Completed graduate school (engineering) at Niigata University in March 1997. I am responsible for the chief examiner of strategy formulation, planning, contract, and supervision regarding river environment surveys since 2011 to present. Research subjects include fishway structural improvement plans and adaptive management, as well as relationship between changes in river water temperature and fish habitat, and relationship between changes river morphology due to floods and maintenance flow in the middle reaches of the Shinano River. I am a member of the Society of Applied Ecological Engineering, the eDNA Society, Society of Dam Engineers, and the Japan Society of Civil Engineers. We received the Japan Society of Civil Engineers Environment Award in 2012 (Improving the structure of fishways for harmony between hydroelectric power generation and the river environment).