---
title: "WESTERN ALLIANCE BANCORPORATION — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b5fe4409-4d15-5dbb-b597-96af8e2f79aa
json: https://whiteintel.dev/api/public/dossier/b5fe4409-4d15-5dbb-b597-96af8e2f79aa
identifier: sec:0001212545
jurisdiction: US
risk: High
source: WhiteIntel corporate-ownership graph
---

# WESTERN ALLIANCE BANCORPORATION

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001212545`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/b5fe4409-4d15-5dbb-b597-96af8e2f79aa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b5fe4409-4d15-5dbb-b597-96af8e2f79aa  

## Ownership & control

### Owners / controllers

- **BOYD WILLIAM S** (tenpercentowner) — https://whiteintel.dev/entity/ede137ae-511a-5ee5-aae6-0d3448797cb2
- **JOHNSON MARIANNE BOYD** (tenpercentowner) — https://whiteintel.dev/entity/7465daa0-c771-5ec7-b62c-0d2c6c51a001

### UBO chain (walk to the ultimate owner)

A **124-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## 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 **WESTERN ALLIANCE BANCORPORATION** — https://whiteintel.dev/entity/b5fe4409-4d15-5dbb-b597-96af8e2f79aa · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WESTERN ALLIANCE BANCORPORATION**. Human view: https://whiteintel.dev/entity/b5fe4409-4d15-5dbb-b597-96af8e2f79aa · Structured JSON: https://whiteintel.dev/api/public/dossier/b5fe4409-4d15-5dbb-b597-96af8e2f79aa._

_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"._