IZUMI AIZU is the executive director at the Institute for HyperNetwork Society, and also a senior research fellow & professor at the Institute for InfoSocinomics, Tama University. He was a member of ICANN's At-Large Advisory Committee as well as Membership Advisory Committee (1998-99). He is a member of Multistakeholder Advisory Group (MAG) of Internet Governance Forum (IGF).
Beginning in 1992, he began to study and promote Internetworking in Japan, giving strategic advise to Japanese telecommunications companies such as NTT and other private companies in information and media industries, and national and local government agencies. He has been member of many study groups on computer networks and informatization at Japan's Ministry of International Trade and Industry, (MITI) Ministry of Post and Telecommunications (MPT) and other government agencies.
He is one of the founders of Institute for Networking Design in Tokyo. From 1987 to 1992 Aizu served as secretary general of the Networking Forum. He joined GLOCOM as a Planning Manager in 1991, and in 1993 he joined Hyper Network Society as Research Director. In 1997, Izumi Aizu moved to Kuala Lumpur, Malaysia, and founded Asia Network Research. From 1998-2000 Aizu worked as the Secretary General of the Asia & Pacific Internet Association. In 2000, he returned to continue working within the Japanese internet community.
In August 2004 he co-founded the Internet Governance Task Force (IGTF) of Japan to engage in the international debate on Internet Governance at the World Summit on Information Society (WSIS) process. In 2008, he found Satellite Broadband Promotion Council and became its Secretary General. In 2009, he co-founded Japan Internet Domain Name Council to promote Internationalize Country Code Top Level Domain, dot Nippon and he serves as a member of the Steering Committee of this Council.
He served on various governmental committees including Network Neutrality Study Group and currently member of Internet Basic Issues Committee and IPv6 Advanced Use Study Group at the Ministry of Internal Affairs and Communications (MIC) of Japan.