Profile
Masaaki Koizumi is the founder of Koizumi CPA Office, established in 2003, where the title held is President.
Current jobs include Independent Outside Director at Monex Group, Inc. since 2018, Independent Outside Director at FAN Communications, Inc. since 2023, and Auditor at SHARE group Co., Ltd. since 2009.
Former jobs include Independent Outside Director at Wel-Dish., Inc. from 2017 to 2018, Independent Outside Director at Tsukui Holdings Corp.
from 2016 to 2022, Representative Director at Futaba Audit Corp., and Outside Director at Lifenet Insurance Co. Education history includes an undergraduate degree from the University of Hitotsubashi, conferred in 1988.
Masaaki Koizumi active positions
| Companies | Position | Start |
|---|---|---|
| MONEX GROUP, INC. | Director/Board Member | 01/06/2018 |
| FAN COMMUNICATIONS, INC. | Director/Board Member | 29/03/2023 |
SHARE group Co., Ltd.
SHARE group Co., Ltd. Hotels/Resorts/Cruise linesConsumer Services Provides membership and leisure services | Comptroller/Controller/Auditor | 01/08/2009 |
Koizumi CPA Office | Founder | 01/10/2003 |
Former positions of Masaaki Koizumi
| Companies | Position | End |
|---|---|---|
| TSUKUI HOLDINGS CORPORATION | Director/Board Member | 01/01/2022 |
| WEL-DISH.INCORPORATED | Director/Board Member | 28/06/2018 |
Futaba Audit Corp. | Director/Board Member | - |
| LIFENET INSURANCE COMPANY | Director/Board Member | - |
Training of Masaaki Koizumi
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Wel-Dish., Inc.
Wel-Dish., Inc. Specialty StoresRetail Trade Manufactures and markets beverages and dried foods & sells health & beauty products through online | Retail Trade |
Monex Group, Inc.
Monex Group, Inc. Financial ConglomeratesFinance Operates a holding company whose subsidiary provides securities investment, contract trading, cryptocurrency exchange and real estate rental services | Finance |
TSUKUI HOLDINGS CORP.
TSUKUI HOLDINGS CORP. Hospital/Nursing ManagementHealth Services Provides home nursing care services | Health Services |
University of Hitotsubashi
University of Hitotsubashi Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
FAN Communications, Inc.
FAN Communications, Inc. Advertising/Marketing ServicesCommercial Services Provides online marketing services | Commercial Services |
Futaba Audit Corp. | |
Lifenet Insurance Co.
Lifenet Insurance Co. Life/Health InsuranceFinance Provides life insurance and asset management services | Finance |
SHARE group Co., Ltd.
SHARE group Co., Ltd. Hotels/Resorts/Cruise linesConsumer Services Provides membership and leisure services | Consumer Services |
Koizumi CPA Office |
- Stock Market
- Insiders
- Masaaki Koizumi
















