People · Operator

William Mason

Named in public records as an officer, director or promoter · active 2016–2016 · Other Technology

1
Companies
2
Filings
$4.6M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Upload, Inc.Other TechnologySeries A$4.6M$127.7M2016
Operator network

William Mason at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

Shintaro Yamakami · 1 companies · 1 sharedShintaro YamakamiUpload, Inc. · $4.6M raisedUpload, Inc.William MasonWM
William Mason Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside William Mason on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Shintaro Yamakami11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.