• Yuji Sekiya (Professor)
    ギジュツノチカラ ADVANCED TECH SHOW 2023 | ソフトバンク 先端技術研究所 | 企業・IR | ソフトバンク

Yuji Sekiya (Ph.D.) is a Professor at The University of Tokyo, Graduate School of Information Science and Technology,  Security Informatics Education and Research Center, and also Information Technology Center. He received B.E. from Kyoto University in 1997 and M.E. from Keio University in 1999. He worked at USC/ISI in 1999 as a visiting researcher. Since 2002, he started working at The University of Tokyo, Information Technology Center.  He moved to the Graduate School of Information Science and Technology, Security Informatics Education and Research Center at The University of Tokyo as a Professor in Nov. 2019. He received a Ph.D. from Keio University, Graduate School of Media and Governance, in 2005.

He is a board member of WIDE Project. He has worked on DNS measurements, SDN, Network Virtualization, Cloud Computing, Mobile Core Architecture, and Cyber Security. He is deeply involved in WIDE ProjectM Root DNS server, JP DNS servers, Internet Exchanges called DIX-IE, PIX-IE, and NSPIXP-3, NECOMA Project, and Interop Tokyo ShowNet. He started the project, Next Generation Network Service Platform (NSP) Consortium in 2014,  Advanced IT Architect Human Resource Development Council (AITAC) in 2017, and Network Muscle Learning (NML) Project for Cyber Security research. His hottest research topics are Cyber Security and Beyond 5G. The research of the next architecture of Mobile Core is collaborated with SoftBank Corporation.

He had been in charge of the Executive Advisor to the Government CIO since Feb. 2020 and is now working as a Senior Network Engineer at Digital Agency. Also, he works at Japan Network Information Center (JPNIC) as a director, at Keio University as a specially appointed professor, and at National Institute of Informatics (NII) as a specially appointed professor.

GnuPG Key Fingerprint  = B8D3 0D3A 8040 7A47 0F0C  E5EE 6BD0 2383 6113 F47E

  • Kunio Akashi (Associate Professor)
  • Takuji Iimura (Researcher)
  • Mikako Tokuyama (Secretary)


  • Yi Wei (D3)
  • Ssu-hung YEH (M2)
  • Tasuku Sasaki (M1)
  • Keigo Fujishima (M1)


  • Yuki Okamura (2010)
  • Yanjue Xu (2011)
  • Kentaro Yoshida (2012)
  • Shogo Fujii (2015)
  • Xiaozhou Jia (2015)
  • Koji Satoh (2017)
  • Munkhdorj Baatarsuren (2017)
  • Maoki Hikosaka (2017)
  • Chiharu Ido (2018)
  • Gaku Kotani (2018)
  • James LU (2020)
  • Ryo Nakajima (2020)
  • Shumpei Sugimura (2020)
  • Ryota Baba (2021)
  • She Xinyi (2021)
  • Mako Miyatake (2022)