---
title: "CAMPBELL WILLIAM L — Ownership Dossier"
canonical: https://whiteintel.dev/entity/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c
json: https://whiteintel.dev/api/public/dossier/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c
identifier: sec:0001230898
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CAMPBELL WILLIAM L

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001230898`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c  

## Ownership & control

### Holdings / subsidiaries

- **AVISTAR COMMUNICATIONS CORP** (director) — https://whiteintel.dev/entity/2d5b1d7b-04a4-5ad5-8ab0-5b10589416e9

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CAMPBELL WILLIAM L**. Human view: https://whiteintel.dev/entity/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c · Structured JSON: https://whiteintel.dev/api/public/dossier/46ef2bb1-e2fc-56d0-a03e-7bb2e19eb76c._

_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"._