---
title: "OBRIEN GEOFFREY — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7
json: https://whiteintel.dev/api/public/dossier/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7
identifier: sec:0001589471
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# OBRIEN GEOFFREY

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001589471`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7  

## Ownership & control

### Holdings / subsidiaries

- **MEDICINOVA INC** (officer) — https://whiteintel.dev/entity/509a5353-a9b6-5fe9-9c1e-83fe30478bad

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OBRIEN GEOFFREY**. Human view: https://whiteintel.dev/entity/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7 · Structured JSON: https://whiteintel.dev/api/public/dossier/b3433626-2e5f-59e1-a2cc-e3f01c4bb9b7._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._