Born in Tokyo, 1962. Graduated from Waseda University, School of Science and Engineering, major in architecture. In 1993, he released the simulation game The Tower. In 1998, he established VIVARIUM Inc. and assumed the post of President and CEO. In 1999, He released the virtual pet video game Seaman: Kindan no Pet (Seaman: The Forbidden Pets), and won a number of awards, including the Excellence Prize in the Digital Art Interactive Division of the 3rd Japan Media Arts Festival. In 2005, he released the war strategy simulation game Odama. Currently, he is involved in research and development in the fields of artificial intelligence and natural language dialogue systems at VIVARIUM Inc. In 2010, he became the creative director of Movatwi.