People · Operator

Mark N. Schwartz

Named in public records as an officer, director or promoter · active 2012–2025 · Other Technology, Biotechnology

2
Companies
3
Filings
$40.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Onfolio Holdings, IncOther TechnologySeries B$39.4M$4.7M2023
Hypertension Diagnostics Inc /MnBiotechnologyPre-Seed$834K$46.0M2012
Operator network

Mark N. Schwartz 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.

Mark Schwartz · 5 companies · 1 sharedMark SchwartzAndrew Lawrence · 2 companies · 1 sharedAndrew LawrenceAdam Trainor · 1 companies · 1 sharedAdam TrainorDavid McKeegan · 1 companies · 1 sharedDavid McKeeganDominic Wells · 1 companies · 1 sharedDominic WellsEsbe Van Heerden · 1 companies · 1 sharedEsbe Van HeerdenRobert J. Lipstein · 1 companies · 1 sharedRobert J. LipsteinRobert Lipstein · 1 companies · 1 sharedRobert LipsteinRobertus Te Braake · 1 companies · 1 sharedRobertus Te BraakeYury Byalik · 1 companies · 1 sharedYury ByalikAlan N Stern · 1 companies · 1 sharedAlan N SternKenneth W Brimmer · 1 companies · 1 sharedKenneth W BrimmerLarry N Leitner · 1 companies · 1 sharedLarry N LeitnerOnfolio Holdings, Inc · $39.4M raisedOnfolio Holdings, IncHypertension Diagnostics Inc /Mn · $0.8M raisedHypertension Diagnost…Mark N. SchwartzMS
Mark N. Schwartz Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Mark Schwartz15
Andrew Lawrence12
David McKeegan11
Robert Lipstein11
Esbe Van Heerden11
Robert J. Lipstein11
Yury Byalik11
Robertus Te Braake11
Alan N Stern11
Kenneth W Brimmer11
Dominic Wells11
Larry N Leitner11
Adam Trainor11

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.