People · Operator

MARK TRESNOWSKI

Named in public records as an officer, director or promoter · active 2015–2015 · Other Health Care

2
Companies
2
Filings
$917.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Hc Group Holdings I, LlcOther Health CareGrowth/Late$607.4M$14.4B2015
Mdp Hc Holdings, LlcOther Health CareSeries D+$310.1M$7.1B2015
Operator network

MARK TRESNOWSKI 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.

Michael Ellis · 7 companies · 1 sharedMichael EllisJohn Arlotta · 4 companies · 1 sharedJohn ArlottaJeffrey Berkowitz · 3 companies · 1 sharedJeffrey BerkowitzElizabeth Betten · 2 companies · 1 sharedElizabeth BettenHARRY KRAEMER, JR. · 1 companies · 1 sharedHARRY KRAEMER, JR.MARK VAINISI · 1 companies · 1 sharedMARK VAINISITimothy Sullivan · 16 companies · 2 sharedTimothy SullivanNicholas Alexos · 6 companies · 2 sharedNicholas AlexosKARLA BULLARD · 3 companies · 2 sharedKARLA BULLARDPaul Finnegan · 11 companies · 1 sharedPaul FinneganSAMUEL MENCOFF · 3 companies · 1 sharedSAMUEL MENCOFFHc Group Holdings I, Llc · $607.4M raisedHc Group Holdings I, …Mdp Hc Holdings, Llc · $310.1M raisedMdp Hc Holdings, LlcMARK TRESNOWSKIMT
MARK TRESNOWSKI Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Timothy Sullivan216
Nicholas Alexos26
KARLA BULLARD23
Paul Finnegan111
Michael Ellis17
John Arlotta14
SAMUEL MENCOFF13
Jeffrey Berkowitz13
Elizabeth Betten12
HARRY KRAEMER, JR.11
MARK VAINISI11

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.