---
title: "KATSOF IRWIN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf
json: https://whiteintel.dev/api/public/dossier/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf
identifier: sec:0001504515
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KATSOF IRWIN

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001504515`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf  

## Ownership & control

### Holdings / subsidiaries

- **IDT CORP** (director) — https://whiteintel.dev/entity/5f40b30d-c8ff-5a7a-90cd-af9918e2cf8c
- **IDT CORP** (other) — https://whiteintel.dev/entity/5f40b30d-c8ff-5a7a-90cd-af9918e2cf8c
- **Genie Energy Ltd.** (director) — https://whiteintel.dev/entity/e804fac8-393f-5a8f-b2b5-3a0c86cef267
- **IDT CORP** (director) — https://whiteintel.dev/entity/5f40b30d-c8ff-5a7a-90cd-af9918e2cf8c
- **CTM MEDIA HOLDINGS, INC.** (director) — https://whiteintel.dev/entity/788154ec-b26e-5b35-9b33-dedbc88c3e17

## 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 **KATSOF IRWIN** — https://whiteintel.dev/entity/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KATSOF IRWIN**. Human view: https://whiteintel.dev/entity/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf · Structured JSON: https://whiteintel.dev/api/public/dossier/5d9efc68-e1cd-5107-9ab7-be4e64caf4bf._

_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"._