Born in 1952, Mr. Aizu joined the printing industry in 1971 after graduating from high school. In 1976, he moved into international advertising, marketing and public relations business. After spending a few years in the technical communications field, he encountered with the emerging personal computer networking in the United States. In 1986, he co-founded Institute for Networking Design in Tokyo, a think-tank specializing computer conferencing and served as secretary general of Networking Forum, annual national conference on PC networking in Japan from 1987 to 1992.

In 1991, he joined GLOCOM (Center for Global Communications), at the International University of Japan. After attending INET 92 in Kobe, he started to study about Internet and promote it in Japan: giving strategic advises to ICT and media industries, national and local government agencies, working on policy and strategic issues in global context with strong focus on Asia.  In 1993, he co-founded Institute for Hyper Network Society (IHNS) whose main office is in Oita, a local city in Kyushu Island, and actively promoted community networking with grassroots citizens.

In 1997, he moved to Kuala Lumpur, Malaysia, and founded Asia Network Research, an independent research unit dedicated to promote networking in Asia-Pacific, focusing on societal aspects of Internet including global governance and digital divide issues.  He worked as Secretary General of Asia & Pacific Internet Association, a trade association representing Internet business community of the region between 1998 and 2000.  In April 2000, he moved back to Tokyo where he continues the research work for promoting the Internet in Asia. He participated in Digital Opportunity Task Force, or DOT Force, initiated by the G8 to address “digital divide” issues, and the preparatory process of the WSIS (World Summit on the Information Society) as a member of Civil Society.