Kei Tomioka

Founder at SANSAN, INC.

Net worth: 44 M $ as of 2026-05-30

50 year

Technology Services

Profile

Kei Tomioka is the founder of Sansan, Inc., established in 2007, serving as Director & Chief Operating Officer.
Mr. Tomioka currently works at Infcurion, Inc. as an Independent Outside Director since 2022.
Former positions include Outside Director at Unipos, Inc. and Principal at Oracle Corp.
from 1999 to 2007.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SANSAN, INC. 3.26%	2025-11-29	4,128,800 ( 3.26% )	44 M $	2026-05-30
INFCURION, INC. 0.14%	2025-09-18	30,000 ( 0.14% )	157 548 $	2026-05-30

Kei Tomioka active positions

Companies	Position	Start
SANSAN, INC.	Founder	2007-06-10
INFCURION, INC.	Director/Board Member	2022-02-28

All active positions of Kei Tomioka

Former positions of Kei Tomioka

Companies	Position	End
ORACLE CORPORATION	Corporate Officer/Principal	-
UNIPOS INC.	Director/Board Member	-

See the detail of Kei Tomioka's experience

Experiences
Positions held

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Private companies

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Linked companies

Private companies	4
Oracle Corp. Oracle Corp. Packaged SoftwareTechnology Services Provides cloud based enterprise applications and infrastructure technologies & license, hardware and IT services	Technology Services
Sansan, Inc. Sansan, Inc. Packaged SoftwareTechnology Services Develops cloud-based business card management applications	Technology Services
Unipos, Inc. Unipos, Inc. Information Technology ServicesTechnology Services Develops internet widespread technology and provides web services	Technology Services
Infcurion, Inc. Infcurion, Inc. Packaged SoftwareTechnology Services Develops finance and payments platform & provides consulting services	Technology Services