Dr. Ishizu joined NICT (National Institute of Information and Communications Technology) in 2005,
that is the only public research institution in Japan that specializes in the field of ICT.
Since then, he has been dedicated to R&D on wireless network systems and their management.
From April 2021, Dr. Ishizu is directing the Beyond 5G design initiative of NICT,
and is in charge of R&D strategy and collaborative activities toward Beyond 5G.