Yasuyuki Miyazaki received his PhD degrees in Aeronautics from the University of Tokyo, Japan in 1993. He has been a faculty member of Nihon University, Japan since 1993. He was a visiting professor of University of Colorado from 2001 to 2002, and was a visiting professor of JAXA from 2006 to 2008. His major research area is flexible multi-body dynamics and structural dynamics of gossamer spacecraft. He has been involved in the Japanese solar sail project and worked for the design and development of world’s first solar sail IKAROS which was successfully launched in 2010 by JAXA. He has been leading a student pico-satellite project in Nihon University since 2000. His students developed and launched two CubeSats in 2006 and 2008, respectively. His students are now developing the next pico-satellite of 20cm cube which will demonstrate the inflatable membrane structure in space. He is now a member of Japanese 50kg class nano-satellite project that is led by Prof. Nakasuka of University of Tokyo. He works for the research and development of deployable structure in the project.