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Notice of Executive Officer Appointments
March 27, 2025
Internet Initiative Japan Inc.
TOKYO - March 27, 2025 - Internet Initiative Japan Inc. (TSE Prime: 3774), one of Japan's leading Internet access and comprehensive network solutions providers, today announced the following Executive Officer appointments, as resolved at the Board of Directors meeting held this day, March 27, 2025.
Executive Officers
Promotions (as of April 1)
| New title | Name | Current title |
|---|---|---|
| Executive Vice President | Koichi Kitamura | Senior Managing Executive Officer |
| Executive Vice President | Akihisa Watai | Senior Managing Executive Officer |
| Executive Vice President | Junichi Shimagami | Senior Managing Executive Officer |
| Managing Executive Officer | Takahiro Ide | Executive Officer |
| Managing Executive Officer | Naoshi Someya | Executive Officer |
| Managing Executive Officer | Takahiko Hiyama | Executive Officer |
New appointments (as of April 1)
| New title | Name | Current title |
|---|---|---|
| Executive Officer | Kentaro Kurosawa | Division Director of Service Administration Division |
| Executive Officer | Kaichiro Naka | Division Director of Professional Services Division 1 |
- Note: Current Managing Executive Officer Seiji Okita will retire from his position as Managing Executive Officer on March 31, 2025. He will continue to be Senior Managing Executive Officer of DeCurret DCP Inc.
Reference
IIJ’s planned management organization as of June 26, 2025 is as follows.
Board Members
| Position | Name |
|---|---|
| Member of the Board, Representative Director | Koichi Suzuki |
| Member of the Board, Representative Director | Yasuhiko Taniwaki |
| Member of the Board | Satoshi Murabayashi |
| Member of the Board | Koichi Kitamura |
| Member of the Board | Akihisa Watai |
| Member of the Board | Junichi Shimagami |
| Member of the Board (part-time) | Takashi Tsukamoto(*1) (Senior Advisor of Mizuho Financial Group, Inc) |
| Member of the Board (part-time) | Kazuo Tsukuda(*1) (Former President and Representative Director of Mitsubishi Heavy Industries, Ltd.) |
| Member of the Board (part-time) | Yoichiro Iwama(*1) (Outside Director and Chairman of the Board of Nikko Asset Management Co., Ltd.) |
| Member of the Board (part-time) | Atsushi Okamoto(*1) (Former President and CEO of Iwanami Shoten, Publishers) |
| Member of the Board (part-time) | Kaori Tonosu (Ms.)(*1) (Director of JAPAN POST INSURANCE Co., Ltd., Former Board Member of Deloitte Touche Tohmatsu LLC) |
- (*1)Independent Outside Directors
Company Auditors
| Position | Name |
|---|---|
| Company Auditor | Masayoshi Tobita |
| Company Auditor | Masako Tanaka (Ms.) |
| Company Auditor (part-time) | Takashi Michishita(*2) (Attorney at law) |
| Company Auditor (part-time) | Kumiko Aso (Ms.)(*2) (Certified Public Accountant) |
- (*2)Outside Company Auditors
Executive Officers
| Position | Name | Responsibility |
|---|---|---|
| Chairman | Koichi Suzuki | Co-CEO |
| President | Yasuhiko Taniwaki | Co-CEO & COO, direct control of organizations under the direct control of management |
| Executive Vice President | Satoshi Murabayashi | In charge of Administrative Unit and Risk Management Unit, President and Representative Director of DeCurret Holdings, Inc. |
| Executive Vice President | Koichi Kitamura | In charge of Enterprise Sales Unit, Financial Sales Unit, Government Public & Educational Organization Sales Unit, Alliance Sales Unit, Integration Business Unit, Global Business Unit and Marketing Management Unit (Joint), Unit Manager of Enterprise Sales Unit |
| Executive Vice President | Akihisa Watai | CFO; in charge of Corporate Strategy Unit and Finance Unit, Unit Manager of Corporate Strategy Unit, Unit Manager of Finance Unit |
| Executive Vice President | Junichi Shimagami | CTO; in charge of Network Services Business Unit, Mobile Services Business Unit and Marketing Management Unit (Joint) |
| Senior Managing Executive Officer | Tadashi Kawashima | Executive of Special Mission |
| Senior Managing Executive Officer | Naoshi Yoneyama | CIO; Unit Manager of Administrative Unit, Representative Director and President of JOCDN Inc. |
| Managing Executive Officer | Makoto Ajisaka | Unit Manager of Alliance Sales Unit and Unit Manager of Marketing Management Unit |
| Managing Executive Officer | Yoshikazu Yamai | Unit Manager of Network Services Business Unit, Representative Director and President of IIJ Engineering Inc. |
| Managing Executive Officer | Koichi Maruyama | Unit Manager of Global Business Unit |
| Managing Executive Officer | Masakazu Tachikui | Executive of Special Mission |
| Managing Executive Officer | Akira Sumiya | Unit Manager of Risk Management Unit, CISO, CRO, CPO (*3) |
| Managing Executive Officer | Takenori Onishi | In charge of domestic branches, Deputy Unit Manager of Enterprise Sales Unit |
| Managing Executive Officer | Shigeo Yabuki | Unit Manager of Mobile Services Business Unit |
| Managing Executive Officer | Ken Araki | Unit Manager of Financial Sales Unit, Deputy Unit Manager of Enterprise Sales Unit |
| Managing Executive Officer | Hajime Shironouchi | Deputy Unit Manager of Network Services Business Unit , Division Director of Network Division, In charge of Broadcasting Systems Division, General Manager of Telecommunications Facilities |
| Managing Executive Officer | Takahiro Ide | Deputy Unit Manager of Enterprise Sales Unit, Division Director of Central Japan Business Division |
| Managing Executive Officer | Naoshi Someya | Deputy Unit Manager of Network Services Business Unit , Division Director of Cloud Division |
| Managing Executive Officer | Takahiko Hiyama | Deputy Unit Manager of Finance Unit |
| Executive Officer | Masami Kawamata | General Manager of Accounting Department, Finance Unit |
| Executive Officer | Kaori Kawakami (Ms.) | Executive Director of Sustainability Committee, Corporate Strategy Unit |
| Executive Officer | Hiroo Shirasaki | Division Director of System Development Division, Network Services Business Unit |
| Executive Officer | Takeshi Hatano | Unit Manager of Government Public & Educational Organization Sales Unit |
| Executive Officer | Mamoru Saito | Division Director of Advanced Security Division, Network Services Business Unit |
| Executive Officer | Kentaro Kurosawa | Division Director of Service Administration Division, Network Services Business Unit |
| Executive Officer | Kaichiro Naka | In charge of Integration Business Unit, Unit Manager of Integration Business Unit |
- (*3)CISO: Chief Information Security Officer; CRO: Chief Risk Officer; CPO: Chief Privacy Officer
Organization
以 上
About IIJ
Founded in 1992, IIJ is one of Japan's leading Internet-access and comprehensive network solutions providers. IIJ and its group companies provide total network solutions that mainly cater to high-end corporate customers. IIJ's services include high-quality Internet connectivity services, systems integration, cloud computing services, security services and mobile services. Moreover, IIJ has built one of the largest Internet backbone networks in Japan that is connected to the United States, the United Kingdom and Asia. IIJ was listed on the Prime Market of the Tokyo Stock Exchange in 2022.
- For more information about IIJ, visit the IIJ Web site at https://www.iij.ad.jp/en/.
The statements within this release contain forward-looking statements about our future plans that involve risk and uncertainty. These statements may differ materially from actual future events or results.
- For inquiries, contact
-
IIJ Corporate Communications
+81-3-5205-6310 
+81-3-5205-6377 
press@iij.ad.jp
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