---
title: "DEMETRIOU STEVEN J. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4fd3908b-40ed-599d-966d-92baa8471cbf
json: https://whiteintel.dev/api/public/dossier/4fd3908b-40ed-599d-966d-92baa8471cbf
identifier: sec:0001173003
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DEMETRIOU STEVEN J.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001173003`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4fd3908b-40ed-599d-966d-92baa8471cbf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4fd3908b-40ed-599d-966d-92baa8471cbf  

## Ownership & control

### Holdings / subsidiaries

- **Amentum Holdings, Inc.** (officer) — https://whiteintel.dev/entity/c0e56e77-f1c2-5e91-8b72-c48b6e95f70c
- **FIRSTENERGY CORP** (director) — https://whiteintel.dev/entity/6fa23b72-826e-5a3f-befa-4b5f8e46340b
- **FIRSTENERGY CORP** (director) — https://whiteintel.dev/entity/6fa23b72-826e-5a3f-befa-4b5f8e46340b
- **Arcosa, Inc.** (director) — https://whiteintel.dev/entity/682c8e31-65a8-50b4-b29c-cbfa382bf434
- **Amentum Holdings, Inc.** (officer) — https://whiteintel.dev/entity/c0e56e77-f1c2-5e91-8b72-c48b6e95f70c
- **Amentum Holdings, Inc.** (director) — https://whiteintel.dev/entity/c0e56e77-f1c2-5e91-8b72-c48b6e95f70c
- **JACOBS SOLUTIONS INC.** (officer) — https://whiteintel.dev/entity/a1d23883-b606-5631-a606-3057c3848c19
- **JACOBS SOLUTIONS INC.** (director) — https://whiteintel.dev/entity/a1d23883-b606-5631-a606-3057c3848c19
- **C5 ACQUISITION CORP** (director) — https://whiteintel.dev/entity/54721a89-6946-5c17-a6ea-eadf0fa9107c
- **KRATON CORP** (director) — https://whiteintel.dev/entity/88a43b86-9a72-57d4-9a80-e4c4dccf64ab
- **OM GROUP INC** (director) — https://whiteintel.dev/entity/585e6b39-7ede-5fa3-96fb-32281c9b20b6
- **FOSTER WHEELER AG** (director) — https://whiteintel.dev/entity/425bd147-6fc2-518d-902f-27b86cbdb710
- **ALERIS INTERNATIONAL, INC.** (director) — https://whiteintel.dev/entity/afddbd9f-e864-5c8d-82ff-b53c24ec9219
- **ALERIS INTERNATIONAL, INC.** (officer) — https://whiteintel.dev/entity/afddbd9f-e864-5c8d-82ff-b53c24ec9219
- **ELCOR CORP** (director) — https://whiteintel.dev/entity/c5329453-60f2-550b-949b-8824ab7bfaf4

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DEMETRIOU STEVEN J.**. Human view: https://whiteintel.dev/entity/4fd3908b-40ed-599d-966d-92baa8471cbf · Structured JSON: https://whiteintel.dev/api/public/dossier/4fd3908b-40ed-599d-966d-92baa8471cbf._

_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"._