---
title: "Welch - Leighton B — Ownership Dossier"
canonical: https://whiteintel.dev/entity/91d9863f-5ba1-5907-84b1-8f89955efa1f
json: https://whiteintel.dev/api/public/dossier/91d9863f-5ba1-5907-84b1-8f89955efa1f
identifier: icij:icijol-80142955
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Welch - Leighton B

**Type:** Organization  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `icij:icijol-80142955`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/91d9863f-5ba1-5907-84b1-8f89955efa1f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/91d9863f-5ba1-5907-84b1-8f89955efa1f  

## Ownership & control

### Holdings / subsidiaries

- **Welch Entrepreneurial Fund, Ltd.** (director of) — https://whiteintel.dev/entity/1b1f411e-0903-506c-ae96-7fa4495cbd95
- **Welch Entrepreneurial Fund, Ltd.** (president of) — https://whiteintel.dev/entity/1b1f411e-0903-506c-ae96-7fa4495cbd95
- **WCP Life Sciences Fund Ltd.** (director of) — https://whiteintel.dev/entity/ddabc528-db7f-5821-907c-c3b7250c2440
- **WCP Life Sciences Fund Ltd.** (president of) — https://whiteintel.dev/entity/ddabc528-db7f-5821-907c-c3b7250c2440
- **Welch Technology Fund, Ltd.** (director of) — https://whiteintel.dev/entity/cbee7182-7fe0-5987-9302-1b9661c2fc64
- **Welch Technology Fund, Ltd.** (president of) — https://whiteintel.dev/entity/cbee7182-7fe0-5987-9302-1b9661c2fc64

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80142955

## 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 **Welch - Leighton B** — https://whiteintel.dev/entity/91d9863f-5ba1-5907-84b1-8f89955efa1f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Welch - Leighton B**. Human view: https://whiteintel.dev/entity/91d9863f-5ba1-5907-84b1-8f89955efa1f · Structured JSON: https://whiteintel.dev/api/public/dossier/91d9863f-5ba1-5907-84b1-8f89955efa1f._

_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"._