Masatoshi Kumagai
Profile
Performance in office
Tenure
Tenure
Background
In May 1991 he founded Voice Media, Inc. and became its Representative Director and President; this company is today's GMO Internet Group. He became Representative Director, Chairman and President in March 2003, also served as Group Representative from May 2008, and in March 2022 moved to Representative Director, Group Representative, Chairman, President and Executive Officer, and CEO. In the fiscal year ended December 2025, Kumagai Masatoshi Office held 35.66% and Kumagai himself 8.98% of the shares, together 44.64%.
Selection
A founder with no predecessor, he became Representative Director and President when the company was established in May 1991. In the 35 years since, through 2026, he has never left the presidency, adding the roles of Chairman, Group Representative and CEO along the way. The shareholders who elect him are also himself and his asset management company, which held 44.64% of shares outstanding in the fiscal year ended December 2025. His position rests not on board appointments but on share ownership.
Initiatives
The company registered its shares for over-the-counter trading in August 1999, then listed on the Second Section of the Tokyo Stock Exchange in 2004 and the First Section in 2005. From 2000 onward it repeatedly followed a model of taking consolidated subsidiaries public individually. In 2005 it entered three financial businesses at once, but withdrew from the loan and credit business after two years. In its crypto asset mining business it posted a net loss of ¥20.7 billion in the fiscal year ended December 2018. Consolidated revenue for the FY ended December 2025 was ¥285.6 billion, with operating profit of ¥59.1 billion.
Career
Career
GMO Internet
| Date | Position |
|---|---|
| May 1991 | Representative Director, President, Boisu Media |
| Mar 2003 | Representative Director, Chairman and President |
| May 2008 | Representative Director, Chairman and President, Group Representative |
| Mar 2022 | Representative Director, Group Representative, Chairman, President, Executive Officer and CEO |
References 1
References (Japanese primary sources)
- GMOインターネットグループ 有価証券報告書【役員の状況】