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VenturePersonfounder executive

John Protopappas

President to Madison Park Financial Corporation, the Manager, Madison Park Holdings, LLC

Lafayette, CA

This is the graph view. The full profile, with its team, deals and sources, is on Venture Capital.Open the full profile →

Search this name across graphsid dfx:vc:e87ef099-b327-458f-9639-c9a252dc87b9

Data as of Sep 12, 2026 (this record's last observation) from Sworn filings; Announcements; Limited partners. Page built Sep 19, 2026, 6:06 AM UTC and rebuilt at most every 15 minutes.

Relationships: 2
Dated events: 0
On other graphs: 0
Observed: n/a to Sep 12, 2026

Across DFX

name candidates only

Independent Sponsorscandidate

record e4a14ae4

shared org exact name

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current organization: Madison Park Holdings, LLC
Title: President to Madison Park Financial Corporation, the Manager
Current roles: 2
Past roles: 0
Attributed investments: 0
Confirmed attributions: 0by quote or board sentence
Board seats: 0
Fund principal of: 0Form D filings naming this person

Relationships

Employs (2)

← Madison Park Holdings, LLCCompanyPresident to Madison Park Financial Corporation, the Manager
factForm D
← Madison Park Capital Investors, LLCCompanyPresident to Madison Park Financial Corporation, the Manager
factForm D

Dated events

No dated event names this entity yet.

Provenance

Graph: Venture Capital
Canonical id: dfx:vc:e87ef099-b327-458f-9639-c9a252dc87b9
First observed: n/a
Last observed: Sep 12, 2026 6 days ago
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.