---
title: "Zenner Marc — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1188ad5b-285b-5b07-8150-5f736bc4bc5f
json: https://whiteintel.dev/api/public/dossier/1188ad5b-285b-5b07-8150-5f736bc4bc5f
identifier: sec:0001721547
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Zenner Marc

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001721547`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1188ad5b-285b-5b07-8150-5f736bc4bc5f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1188ad5b-285b-5b07-8150-5f736bc4bc5f  

## Ownership & control

### Holdings / subsidiaries

- **OneSpan Inc.** (director) — https://whiteintel.dev/entity/5ce59f8d-c8fc-5b4e-b555-b788f48d2c96
- **OneSpan Inc.** (director) — https://whiteintel.dev/entity/5ce59f8d-c8fc-5b4e-b555-b788f48d2c96
- **OneSpan Inc.** (director) — https://whiteintel.dev/entity/5ce59f8d-c8fc-5b4e-b555-b788f48d2c96
- **SENTINEL ENERGY SERVICES INC.** (other) — https://whiteintel.dev/entity/239e548b-49e1-5686-9803-157a095930b1
- **INNERWORKINGS INC** (director) — https://whiteintel.dev/entity/3a8413ab-f65a-5a01-b6a9-64460896ebfc
- **SENTINEL ENERGY SERVICES INC.** (director) — https://whiteintel.dev/entity/239e548b-49e1-5686-9803-157a095930b1

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Zenner Marc**. Human view: https://whiteintel.dev/entity/1188ad5b-285b-5b07-8150-5f736bc4bc5f · Structured JSON: https://whiteintel.dev/api/public/dossier/1188ad5b-285b-5b07-8150-5f736bc4bc5f._

_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"._