Yusuke Takahashi, who was born in Takasaki, Gunma, Japan, received his B.A. (Policy Management) in 2003, M.M.G. in 2005, and Ph.D. (Media and Governance) in March 2009 from Keio University, Japan. Since 1996, he had been with Graduate School of Media and Governance at Keio University, as a researcher until the spring of 2009. His research addressed knowledge base systems, semantic transformation among heterogeneous databases, multidatabase systems, data analysis and its visualization, and databases in education and personal career development. He is now concentrating in design/development/consultation of database systems/knowledge base systems/multimedia database systems, design/development/consultation of web-based applications, and design/development/consultation of graphic design works including card/postcard/calendar/book. He is now a Founder and CEO of Individual Company Inc. He is also a part-time lecturer at Takasaki City University of Economics. He is a member of Information Processing Society of Japan (IPSJ), Database Society of Japan (DBSJ) and Japan Society of Educational Technology (JSET).