Kazu​ Yozawa

President and CEO, Security Japan,  NTT Security,  Japan

Kazu has more than 12 years of experiences in cyber security nusiness and has been Chief Executive Officer of NTT Security group since April 2021. Before CEO, he had led NTT’s broader cyber security team for Global R&D of Managed Security Service as CTO, and was responsible for business in Japan as CEO of NTT Security Japan.

Before CTO, he was at controlling position on CIO, CISO and HR as Chief Administration Officer from the beginning of forming NTT Security in Aug 2016 by integrating globally fragmented NTT’s cyber security business firms.

Before integrating NTT’s cyber security related firms, he has been supervisory board member of one of security firm called NTT Com Security since 2009 and also heading NTT Communications Cyber Security taskforce from 2012.

Before those roles, he had started several new managed services at NTT, including Enterprise Hosting and private cloud services, desktop management services, Data Center services and managed network services at both in the US and Japan since 1997.

Before 1997, he had been engaged in NTT’s R&D, on transmission technologies, visual communications, and other roles within NTT group.


  • Responsible for running all facets of the business to enhance NTT’s Security Business globally by providing innovative cybersecurity solutions that contribute to the security assurance of nations, clients, and NTT Group.  Also, to secure one’s digital transformation, through NTT’s unique intelligence-driven innovative solutions.


MSM (Master of Science in Management)-June 1995

Stanford Business School, Sloan Program, Stanford University, USA.

Bachelor of Science, Major: Electrical Engineering-March 1979

Chiba University, Chiba prefecture, Japan.

Other senior position experiences

Supervisory Board member of Integralis (later name changed to NTT Com Security), listed company in Munich, Germany (Security Company), since December 2009 to 2016

Chairman of the Board, Emerio Globesoft, Singapore: since March 2011 to 2017.

Chairman of the Board, Diversified Technology Solutions Inc., Philippine, b/w June 2012 through March 2013.

Board Member of NTT Com Technology Inc., Japan, b/w 2007 through June 2011.

Board Member of at&t Japan from 2006 to 2009, and some others