Senji Yamamoto

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80 year

Technology Services

Communications

Electronic Technology

Profile

Senji Yamamoto formerly worked at Sony Network Communications, Inc., as President, CEO & Representative Director in 2005, IIJ Technology, Inc., as Vice Chairman from 2006 to 2010, Sony Group Corp., as Director-Investor Relations, Internet Initiative Japan, Inc., as Director & Executive Vice President from 2011 to 2012, IIJ Financial Systems, Inc., as President & Representative Director from 2006 to 2010, IIJ Global Solutions, Inc., as Director from 2014 to 2015, Collabos Corp., as Independent Outside Director, and DeCurret, Inc., as Auditor.

Former positions of Senji Yamamoto

Companies	Position	End
IIJ Global Solutions, Inc. IIJ Global Solutions, Inc. Internet Software/ServicesTechnology Services Provides internet network design and administartion services	Chairman	2014-06-23
IIJ Technology, Inc. IIJ Technology, Inc. Information Technology ServicesTechnology Services Provides system integration and system outsourcing service	Director/Board Member	2010-02-28
IIJ Financial Systems, Inc.	President	2010-02-28
Sony Network Communications, Inc. Sony Network Communications, Inc. Major TelecommunicationsCommunications Provides Internet connection services and operates online web portals	Chief Executive Officer	2005-09-30
DeCurret, Inc. DeCurret, Inc. Investment Banks/BrokersFinance Provides crypto-asset exchange services	Comptroller/Controller/Auditor	-

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Experiences
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Linked companies

Private companies	8
Sony Group Corp. Sony Group Corp. Computer Processing HardwareElectronic Technology Engages in the development, design, manufacture and sale of electronic equipment, consumer & industrial electronics, game consoles & related software and others	Electronic Technology
Internet Initiative Japan, Inc. Internet Initiative Japan, Inc. Major TelecommunicationsCommunications Provides network, system integration and ATM operation services	Communications
Sony Network Communications, Inc. Sony Network Communications, Inc. Major TelecommunicationsCommunications Provides Internet connection services and operates online web portals	Communications
IIJ Technology, Inc. IIJ Technology, Inc. Information Technology ServicesTechnology Services Provides system integration and system outsourcing service	Technology Services
IIJ Financial Systems, Inc.
IIJ Global Solutions, Inc. IIJ Global Solutions, Inc. Internet Software/ServicesTechnology Services Provides internet network design and administartion services	Technology Services
Collabos Corp. Collabos Corp. Information Technology ServicesTechnology Services Engages in the business of call center and communication services	Technology Services
DeCurret, Inc. DeCurret, Inc. Investment Banks/BrokersFinance Provides crypto-asset exchange services	Finance

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Senji Yamamoto