People · Operator

William J. Koszewski

Named in public records as an officer, director or promoter · active 2009–2010 · Computers

1
Companies
4
Filings
$1.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Marketsync, IncComputersPre-Seed$1.1M$19.1M2009
Operator network

William J. Koszewski 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.

Douglass H. Ebstyne · 1 companies · 1 sharedDouglass H. Ebsty…Douglass J. Ebstyne · 1 companies · 1 sharedDouglass J. Ebsty…Douglass R. Ebstyne · 1 companies · 1 sharedDouglass R. Ebsty…Jeremy R. Whitely · 1 companies · 1 sharedJeremy R. WhitelyRobert J. Wiggins · 1 companies · 1 sharedRobert J. WigginsRobert R. Wiggins · 1 companies · 1 sharedRobert R. WigginsWhitely J. Jeremy · 1 companies · 1 sharedWhitely J. JeremyMarketsync, Inc · $1.1M raisedMarketsync, IncWilliam J. KoszewskiWK
William J. Koszewski Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Douglass R. Ebstyne11
Jeremy R. Whitely11
Robert R. Wiggins11
Douglass H. Ebstyne11
Robert J. Wiggins11
Douglass J. Ebstyne11
Whitely J. Jeremy11

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.