Shuichiro Yamanouchi graduated from the Faculty of Engineering at The University of Tokyo in 1956 and then directly joined Japan National Railways. He worked as a director general in Tokyo North Railway Administration Bureau and Head Office Operation Bureau. And then as a managing director worked in Japan National Railways. In 1996, he was appointed to vice president in International Union of Railways (UIC). And in 2000, as a chairman, he work in National Space Development Agency of Japan.
Tadamasa Nagai graduated from the Division of Mechanical engineering in Tohoku University and then joined Japan National Railways. He was working as a general manager at Train Control Center in Tohoku and Joetsu Shinkansen Operation Headquarters and at Operation Department in Sendai Railway Administration Bureau. And also he was a technical advisor at the Japan Railway Technical Service and Japan International Consultants Co.