Hiroshi Tsuji

Joined KDDI as a new graduate in 2014. After working on optical-transport network provisioning and maintenance operations at data centers, he engaged in the development and operation of fixed-line VoIP network. Since 2016, he has been involved in KDDI’s network virtualization, starting with equipment replacement through the virtualization of fixed-line IP VoIP systems. In 2022, he became an expert in the network virtualization field, and in 2023, a senior expert in the same field, leading the technical aspects of KDDI’s private cloud construction and operation as a technical expert.