Hiroshi Ota joined International Telecommunication Union (ITU) in January 2009. He is currently serving as secretariat for ITU-T Study Group 12 (performance, QoS and QoE), ITU-T Study Group 15 (optical transport networks and access network infrastructures), and ITU/WMO/UNESCO IOC Joint Task Force on submarine cable systems for ocean and climate monitoring and disaster warning.
Previously, he was with Nippon Telegraph and Telephone Corporation (NTT), Japan. From 1992 to 2008, he actively participated in standardization activities including ITU-T SG13, SG15, IEEE 802 LAN/MAN Standards Committee and IETF. From 1997 to 2008, he was a rapporteur for ITU-T SG13 and SG15. From 2006 to 2008, he was a Working Group Chair of mboned (Multicast Backbone Deployment) WG in IETF.