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Mikio Sasaki
Director/Board Member at
SE HOLDINGS AND INCUBATIONS CO., LTD.
Net worth: 3 M $ as of 31/05/2026
Profile
Mikio Sasaki is Director & Vice President at SE Holdings & Incubations Co., Ltd. since 1999.
Mr. Sasaki is President & Representative Director at Shoeisha Co., Ltd. since 2006.
Mr. Sasaki is President & Representative Director at Shoeisha Academy Co., Ltd. since 2010.
Mr. Sasaki is Director at Game Goose Co., Ltd. since 2006.
Mr. Sasaki is Auditor at Se Mobile & Online Co., Ltd. since 2006.
Mr. Sasaki was Senior Director at Kushim, Inc. (Japan) in 2007.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 30/09/2025 | 771,807 ( 4.74% ) | 3 M $ | 31/05/2026 |
Mikio Sasaki active positions
| Companies | Position | Start |
|---|---|---|
| SE HOLDINGS AND INCUBATIONS CO., LTD. | Director/Board Member | 01/06/1994 |
Shoeisha Co., Ltd.
 Shoeisha Co., Ltd. Publishing: Books/MagazinesConsumer Services Publishes and distributes computer related books | President | 01/10/2006 |
Shoeisha Academy Co., Ltd. | President | 01/07/2010 |
Se Mobile & Online Co., Ltd.
 Se Mobile & Online Co., Ltd. Founded in 2006, Se Mobile & Online Co., Ltd. is a Japanese IT company that provides comprehensive business solutions primarily to small and medium-sized enterprises. Se Mobile & Online Co. is based in Shinjuku-Ku, Japan. The company offers services such as system development, marketing support, entertainment, business process outsourcing (BPO) support, video marketing, and web services. Its expertise includes large-scale business system development and operation, web and smartphone app development, social and console game development and management, IoT, infrastructure setup, and security. Notable projects include original game titles and platforms like "Novel Up+," a gamified novel posting and reading service, and "Smarriage," an online marriage consultation platform. The company also delivers tailored BPO solutions covering HR, payroll, accounting, legal compliance, customer support, logistics, and internal system management. Video marketing services are provided from production to distribution and advertising across platforms such as YouTube, social networks, Google, and TikTok. | Comptroller/Controller/Auditor | 01/10/2006 |
Game Goose Co., Ltd.
 Game Goose Co., Ltd. Movies/EntertainmentConsumer Services Operates amusement facility | Director/Board Member | 01/10/2006 |
Former positions of Mikio Sasaki
| Companies | Position | End |
|---|---|---|
| HODL 1,INC. | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
4
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
SE Holdings & Incubations Co., Ltd.
 SE Holdings & Incubations Co., Ltd. Publishing: Books/MagazinesConsumer Services Operates as a holding company whose subsidiaries publishes and sells computer related books & provides software network, corporate, education and investment management services | Consumer Services |
Shoeisha Co., Ltd.
Shoeisha Co., Ltd. Publishing: Books/MagazinesConsumer Services Publishes and distributes computer related books | Consumer Services |
Kushim, Inc. (Japan)
 Kushim, Inc. (Japan) Packaged SoftwareTechnology Services Develops and sells eLearning software | Technology Services |
Se Mobile & Online Co., Ltd.
Se Mobile & Online Co., Ltd. Founded in 2006, Se Mobile & Online Co., Ltd. is a Japanese IT company that provides comprehensive business solutions primarily to small and medium-sized enterprises. Se Mobile & Online Co. is based in Shinjuku-Ku, Japan. The company offers services such as system development, marketing support, entertainment, business process outsourcing (BPO) support, video marketing, and web services. Its expertise includes large-scale business system development and operation, web and smartphone app development, social and console game development and management, IoT, infrastructure setup, and security. Notable projects include original game titles and platforms like "Novel Up+," a gamified novel posting and reading service, and "Smarriage," an online marriage consultation platform. The company also delivers tailored BPO solutions covering HR, payroll, accounting, legal compliance, customer support, logistics, and internal system management. Video marketing services are provided from production to distribution and advertising across platforms such as YouTube, social networks, Google, and TikTok. | |
Shoeisha Academy Co., Ltd. | |
Game Goose Co., Ltd.
Game Goose Co., Ltd. Movies/EntertainmentConsumer Services Operates amusement facility | Consumer Services |
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