Committed to connecting the world

América Móvil, S.A.B. de C.V. (Mexico)
Universidad Nacional Arturo Jauretche Instituto de Ingenierí (Argentina)
Axon Partners Group Consulting (Spain)
NRD Cyber Security (CS) (Lithuania)
Royal Holloway, University of London (United Kingdom)
Econet Telecom Lesotho (Pty) Ltd (ETL) (Lesotho)
Telefónica de Argentina S.A. (TASA)
Office des Postes et Télécommunications de Nouvelle-Calédoni (France)
Aarhus University - Department of Engineering (Denmark)
Asia-Pacific Telecommunity [REGORG] (International (no specific country))
Sudatel Telecom Group (Sudan)
Birkbeck College University of London (United Kingdom)
Associação Empresarial de Comunicações de Portugal
Safaricom Limited
University of Zurich (UZH) (Switzerland)
Ecole supérieure privée d
National Information Society Agency (NIA)
Pakistan Institute of Human Rights
Telecommunications Regional Technical Commission
Awal Telecommunications Corporation Ltd. (Papua New Guinea)
Soonchunhyang University (Korea (Rep. of))
CHUAN WEI (Cambodia) Co., Ltd.
The Boeing Company
Kaspersky Lab UK Limited (United Kingdom)
Telecommunication Company of Iran (TCI)
Universidad Distrital Francisco José de Caldas (Colombia)
General Satellite Corporation (Russian Federation)
Société des Télécommunications du Tchad (SOTEL TCHAD)
Orange (France)



Nippon Telegraph and Telephone East Corporation (NTT East)

NTT East is a telecommunications company that mainly provides regional telecommunications services including Fixed Line and the internet communication services as FLETS brand in the east areas of Japan under NTT Law.
Also, NTT East is working to enhance the broad-band environment and expand customer use of fiber-optic services and providing services and products that utilize next-generation networks(NGN). NTT East endeavors to provide high-quality, stable universal services while taking steps to further increase the stability and strength of their management foundations. NTT East strives to assure the reliability of their networks as social infrastructure through such activities as the rapid restoration of service in the event of a large-scale natural disaster offer other emergency.

Based inJapan
ITU Global DirectoryNippon Telegraph and Telephone East Corporation (NTT East)
Masayuki Yamamura

June, 2012

June, 2009
Executive Vice President

Senior Executive Manager, Network Business Headquarters

Executive Manager, Plant Planning Department

Executive Manager, R&D Center

June, 2008
Executive Vice President

General Manager, Tokyo Branch

June, 2005
Senior Vice President

General Manager, Tokyo Branch

Deputy Senior Executive Manager, Corporate Business Headquarters