Kei Tomioka

Founder at SANSAN, INC.

Net worth: 53 M $ as of 30/09/2026

50 year

Technology Services

Profile

Kei Tomioka is the founder of Sansan, Inc., founded in 2007, and holds the title of Director & Chief Operating Officer.
Mr. Tomioka currently works at Infcurion, Inc. as an Independent Outside Director since 2022.
Former jobs 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%	30/11/2025	4,128,800 ( 3.26% )	53 M $	30/09/2026
INFCURION, INC. 0.14%	19/09/2025	30,000 ( 0.14% )	199 319 $	30/09/2026

Kei Tomioka active positions

Companies	Position	Start
SANSAN, INC.	Founder	11/06/2007
INFCURION, INC.	Director/Board Member	01/03/2022

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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Members of the board

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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