---
title: "RUCKELSHAUS WILLIAM D — Ownership Dossier"
canonical: https://whiteintel.dev/entity/87aac101-d03f-59db-b021-bb2b418d6dba
json: https://whiteintel.dev/api/public/dossier/87aac101-d03f-59db-b021-bb2b418d6dba
identifier: sec:0001083226
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RUCKELSHAUS WILLIAM D

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001083226`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/87aac101-d03f-59db-b021-bb2b418d6dba  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/87aac101-d03f-59db-b021-bb2b418d6dba  

## Ownership & control

### Holdings / subsidiaries

- **ISILON SYSTEMS, INC.** (director) — https://whiteintel.dev/entity/6c3888e3-0132-59e3-8f2e-e2fc08add2e7
- **ISILON SYSTEMS, INC.** (directorother) — https://whiteintel.dev/entity/6c3888e3-0132-59e3-8f2e-e2fc08add2e7

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RUCKELSHAUS WILLIAM D**. Human view: https://whiteintel.dev/entity/87aac101-d03f-59db-b021-bb2b418d6dba · Structured JSON: https://whiteintel.dev/api/public/dossier/87aac101-d03f-59db-b021-bb2b418d6dba._

_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"._