Liwei Shi received the B.S. degree in mechanical engineering from Harbin Engineering University, China, in 2006, and the M.S. degree in intelligent machine system from Kagawa University, Japan, in 2009. Currently, he is a Ph.D. candidate in Kagawa University, Japan. He researches on underwater microrobot utilizing artificial muscles, such as IPMC (ionic polymer metal composite) actuators for industry and bio-medical applications. His current research interests include legged microrobots and jellyfish-type microrobot. He has published about 8 refereed journal and conference papers in recent two years. He is an IEEE student member.