People · Operator

Mark Alsentzer

Named in public records as an officer, director or promoter · Environmental Services

1
Companies
1
Filings
$1.8M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Pure Earth, Inc.Environmental ServicesSeed$1.8M$3.3M
Operator network

Mark Alsentzer 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.

Brent Kopenhaver · 1 companies · 1 sharedBrent KopenhaverCharles M. Hallinan · 1 companies · 1 sharedCharles M. Hallin…Joseph T. Kotrosits · 1 companies · 1 sharedJoseph T. Kotrosi…Pure Earth, Inc. · $1.8M raisedPure Earth, Inc.Mark AlsentzerMA
Mark Alsentzer Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Brent Kopenhaver11
Charles M. Hallinan11
Joseph T. Kotrosits11

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.