People · Operator

David S Welsh

Named in public records as an officer, director or promoter · active 2016–2021 · Software / Tech, Other Technology

2
Companies
3
Filings
$311.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Onestream Software LlcSoftware / TechSeries D+$200.0M$5.2B2021
LogRhythm, Inc.Other TechnologySeries B$111.3M$1.2B2016
Operator network

David S Welsh 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.

Thomas Shea · 3 companies · 1 sharedThomas SheaBILL S. KOEFOED · 1 companies · 1 sharedBILL S. KOEFOEDBRADLEY S. BROWN · 1 companies · 1 sharedBRADLEY S. BROWNCRAIG COLBY · 1 companies · 1 sharedCRAIG COLBYDAVE S. KASABIAN · 1 companies · 1 sharedDAVE S. KASABIANDAVID S. PETRAEUS · 1 companies · 1 sharedDAVID S. PETRAEUSJoseph Zell · 6 companies · 1 sharedJoseph ZellRay Croghan · 5 companies · 1 sharedRay CroghanJeffrey T. Parks · 4 companies · 1 sharedJeffrey T. ParksV Frank Mendicino III · 4 companies · 1 sharedV Frank Mendicino…Chris Petersen · 3 companies · 1 sharedChris PetersenRobert F. Lentz · 2 companies · 1 sharedRobert F. LentzWilliam J Smith · 2 companies · 1 sharedWilliam J SmithAndrew C. Grolnick · 1 companies · 1 sharedAndrew C. GrolnickAndrew Grolnick · 1 companies · 1 sharedAndrew GrolnickAndrew S Grolnick · 1 companies · 1 sharedAndrew S GrolnickChris C. Petersen · 1 companies · 1 sharedChris C. PetersenDave C. Welsh · 1 companies · 1 sharedDave C. WelshDavid C. Welsh · 1 companies · 1 sharedDavid C. WelshDick C. Williams · 1 companies · 1 sharedDick C. WilliamsDick S Williams · 1 companies · 1 sharedDick S WilliamsFrank C. Mendicino III · 1 companies · 1 sharedFrank C. Mendicin…Onestream Software Llc · $200.0M raisedOnestream Software LlcLogRhythm, Inc. · $111.3M raisedLogRhythm, Inc.David S WelshDW
David S Welsh Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Joseph Zell16
Ray Croghan15
Jeffrey T. Parks14
V Frank Mendicino III14
Chris Petersen13
Thomas Shea13
Robert F. Lentz12
William J Smith12
Andrew C. Grolnick11
Frank C. Mendicino III11
Mark C. Vellequette11
Joseph C. Zell11
Michael C. Majors11
Dick C. Williams11
Rob C. Schmiedeler11
Robert C. Lentz11
Ray C. Croghan11
David C. Welsh11
Chris C. Petersen11
Jeff C. Parks11

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.