Norihiko Saga holds a Ph.D. from Shinshu University and currently is a Professor at the School of Engineering, Kwansei Gakuin University. He is also a member of the IEEE Engineering in Medicine and Biology Society, the IEEE Robotics and Automation Society, The Institute of Electrical Engineers of Japan, The Japan Society of Mechanical Engineers, and The Robotics Society of Japan. He served as the Technical Group Manager (R&D) at Mitsubishi Electric (Japan) (1986–1999) and as an Associate Professor of Machine Intelligence and Systems Engineering at Akita Prefectural University (1999–2009). His main research areas include rehabilitation science; mechanics and mechatronics; and robotics and intelligent systems.