People · Operator

Mark D Feldman

Named in public records as an officer, director or promoter · active 2010–2021 · Manufacturing / Industrial, Biotechnology

2
Companies
3
Filings
$30.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Steel City Wash Holdings, LLCManufacturing / IndustrialSeries B$28.7M$5.9M2021
Sound Surgical Technologies LlcBiotechnologySeed$2.1M$91.8M2010
Operator network

Mark D Feldman 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.

John C. Glover · 20 companies · 1 sharedJohn C. GloverBradley Phillips · 5 companies · 1 sharedBradley PhillipsRobert C. Erwin · 4 companies · 1 sharedRobert C. ErwinBradley C. Phillips · 3 companies · 1 sharedBradley C. Philli…Eric C. Haufler · 3 companies · 1 sharedEric C. HauflerEric A Haufler · 1 companies · 1 sharedEric A HauflerRichard A Donato · 1 companies · 1 sharedRichard A DonatoRobert A Erwin · 1 companies · 1 sharedRobert A ErwinDaniel S. Goldberger · 2 companies · 1 sharedDaniel S. Goldber…David B. Holthe · 2 companies · 1 sharedDavid B. HoltheDavid E. Goodman · 2 companies · 1 sharedDavid E. GoodmanDavid E. Reese · 2 companies · 1 sharedDavid E. ReeseJohn W Sullivan · 2 companies · 1 sharedJohn W SullivanKelly J. McCrann · 2 companies · 1 sharedKelly J. McCrannCarter E. Morgan · 1 companies · 1 sharedCarter E. MorganDavid B. Mogill · 1 companies · 1 sharedDavid B. MogillMark E. Schafer · 1 companies · 1 sharedMark E. SchaferWilliam W. And Colleen D. J. Cimino, JTWROS · 1 companies · 1 sharedWilliam W. And Co…Steel City Wash Holdings, LLC · $28.7M raisedSteel City Wash Holdi…Sound Surgical Technologies Llc · $2.1M raisedSound Surgical Techno…Mark D FeldmanMF
Mark D Feldman Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
John C. Glover120
Bradley Phillips15
Robert C. Erwin14
Eric C. Haufler13
Bradley C. Phillips13
David E. Goodman12
David E. Reese12
David B. Holthe12
John W Sullivan12
Daniel S. Goldberger12
Kelly J. McCrann12
Mark E. Schafer11
Richard A Donato11
Eric A Haufler11
Robert A Erwin11
Carter E. Morgan11
William W. And Colleen D. J. Cimino, JTWROS11
David B. Mogill11

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.