無双

Members

The three founders.

Members

The three founders.

Takafumi Horii
01Co-CEO

Takafumi Horii

Founder of Toudai Sensei — an online tutoring platform staffed exclusively by University of Tokyo students.

Grew the business through this distinctive model and exited at JPY 820M, approximately 2.5 years from founding.

Bridges business development, sales, marketing, and M&A — across origination, growth, and exit.

Takuma Suzuki
02Co-CEO

Takuma Suzuki

Entered the University of Tokyo via Science III at the top of his class, graduated from the Faculty of Medicine.

Practices medicine at the University of Tokyo Hospital while having operated over JPY 1B in cumulative Meta ad spend.

Brings medical-grade rigor, quantitative analysis, and advertising execution — for repeatable business growth.

Haruka Yoshii
03Director & CMO

Haruka Yoshii

Declined an offer from McKinsey & Company to join Toudai Sensei.

Drove marketing strategy and business growth as CMO, and as a shareholder accompanied the company through to its JPY 820M exit.

Now Director & CMO at MUSOU, leading marketing strategy, advertising operations, and business development.