---
title: "MOLLENKOPF JOHN C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/90f77d30-9cac-5505-9e1b-b62df87de944
json: https://whiteintel.dev/api/public/dossier/90f77d30-9cac-5505-9e1b-b62df87de944
identifier: sec:0001235082
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MOLLENKOPF JOHN C

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001235082`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/90f77d30-9cac-5505-9e1b-b62df87de944  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/90f77d30-9cac-5505-9e1b-b62df87de944  

## Ownership & control

### Holdings / subsidiaries

- **Antero Midstream Corp** (director) — https://whiteintel.dev/entity/931f178d-4f6e-51e9-892d-c606a93d7d92
- **MARKWEST ENERGY PARTNERS L P** (officer) — https://whiteintel.dev/entity/f328b9af-54e6-50ba-ab36-44b00f6a94f2
- **MARKWEST HYDROCARBON INC** (officer) — https://whiteintel.dev/entity/5eb6e16d-e294-5ca9-ab66-a1b7d95b7de6
- **Antero Midstream Corp** (director) — https://whiteintel.dev/entity/931f178d-4f6e-51e9-892d-c606a93d7d92
- **ANTERO MIDSTREAM PARTNERS LP** (director) — https://whiteintel.dev/entity/a8043a91-1e8f-5fe8-a213-1222d274cb7b
- **MPLX LP** (officer) — https://whiteintel.dev/entity/6ff8df4a-00c2-5d6a-9a8e-d66008f8a21a

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MOLLENKOPF JOHN C** — https://whiteintel.dev/entity/90f77d30-9cac-5505-9e1b-b62df87de944 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MOLLENKOPF JOHN C**. Human view: https://whiteintel.dev/entity/90f77d30-9cac-5505-9e1b-b62df87de944 · Structured JSON: https://whiteintel.dev/api/public/dossier/90f77d30-9cac-5505-9e1b-b62df87de944._

_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"._