---
title: "BROCK WILLIAM E — Ownership Dossier"
canonical: https://whiteintel.dev/entity/415566e0-73c0-5965-bedd-23caa187bfdb
json: https://whiteintel.dev/api/public/dossier/415566e0-73c0-5965-bedd-23caa187bfdb
identifier: sec:0001187616
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BROCK WILLIAM E

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001187616`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/415566e0-73c0-5965-bedd-23caa187bfdb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/415566e0-73c0-5965-bedd-23caa187bfdb  

## Ownership & control

### Holdings / subsidiaries

- **ASGN Inc** (director) — https://whiteintel.dev/entity/76e01314-b65a-547e-b42c-55349fde161b
- **Strategic Education, Inc.** (director) — https://whiteintel.dev/entity/b0d2f85f-cf31-5257-a441-525c4e215d05
- **CATALYST HEALTH SOLUTIONS, INC.** (director) — https://whiteintel.dev/entity/b0f37ec4-7deb-5d6e-b5d8-e451b41a2a6f
- **RES CARE INC /KY/** (director) — https://whiteintel.dev/entity/8bdcd5e6-d4d1-5ae4-bfb4-07f186efd733

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BROCK WILLIAM E**. Human view: https://whiteintel.dev/entity/415566e0-73c0-5965-bedd-23caa187bfdb · Structured JSON: https://whiteintel.dev/api/public/dossier/415566e0-73c0-5965-bedd-23caa187bfdb._

_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"._