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 Part of Internet Initiative Japan, Inc., IIJ Global Solutions, Inc. provides internet network design and administration services. The company is based in Tokyo, Japan. | Chairman | 2014-06-23 |
IIJ Technology, Inc.
 IIJ Technology, Inc. Information Technology ServicesTechnology Services Part of Internet Initiative Japan, Inc., IIJ Technology, Inc. is a Japanese company that provides system integration and system outsourcing services. The company is based in Tokyo, Japan. | Director/Board Member | 2010-02-28 |
| IIJ Financial Systems, Inc. | President | 2010-02-28 |
Sony Network Communications, Inc.
 Sony Network Communications, Inc. Major TelecommunicationsCommunications Sony Network Communications, Inc. engages in the provision of Internet services. It offers Internet of Things, information and communications technology, and network connection. The company was founded on November 1, 1995 and is headquartered in Tokyo, Japan. | Chief Executive Officer | 2005-09-30 |
DeCurret, Inc.
 DeCurret, Inc. Investment Banks/BrokersFinance Part of Amber Global Ltd., DeCurret, Inc. provides crypto-asset exchange services. The company is based in Tokyo, Japan. The Japanese company was founded in 2018. DeCurret was acquired by Whalefin Technologies Ltd. /Japan/ from DeCurret Holdings, Inc. on February 01, 2022. | Comptroller/Controller/Auditor | - |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 3 |
|---|---|
| INTERNET INITIATIVE JAPAN INC. | Communications |
| SONY GROUP CORPORATION | Electronic Technology |
| COLLABOS CORPORATION | Technology Services |
| Private companies | 5 |
|---|---|
IIJ Technology, Inc.
IIJ Technology, Inc. Information Technology ServicesTechnology Services Part of Internet Initiative Japan, Inc., IIJ Technology, Inc. is a Japanese company that provides system integration and system outsourcing services. The company is based in Tokyo, Japan. | Technology Services |
| IIJ Financial Systems, Inc. | |
IIJ Global Solutions, Inc.
IIJ Global Solutions, Inc. Internet Software/ServicesTechnology Services Part of Internet Initiative Japan, Inc., IIJ Global Solutions, Inc. provides internet network design and administration services. The company is based in Tokyo, Japan. | Technology Services |
Sony Network Communications, Inc.
Sony Network Communications, Inc. Major TelecommunicationsCommunications Sony Network Communications, Inc. engages in the provision of Internet services. It offers Internet of Things, information and communications technology, and network connection. The company was founded on November 1, 1995 and is headquartered in Tokyo, Japan. | Communications |
DeCurret, Inc.
DeCurret, Inc. Investment Banks/BrokersFinance Part of Amber Global Ltd., DeCurret, Inc. provides crypto-asset exchange services. The company is based in Tokyo, Japan. The Japanese company was founded in 2018. DeCurret was acquired by Whalefin Technologies Ltd. /Japan/ from DeCurret Holdings, Inc. on February 01, 2022. | Finance |
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