---
title: "Hesslein Robert W. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/937adcbc-e86d-5d59-a045-53a56f3df445
json: https://whiteintel.dev/api/public/dossier/937adcbc-e86d-5d59-a045-53a56f3df445
identifier: sec:0001585018
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Hesslein Robert W.

**Type:** Person  
**Jurisdiction:** US  
**Identifier:** `sec:0001585018`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/937adcbc-e86d-5d59-a045-53a56f3df445  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/937adcbc-e86d-5d59-a045-53a56f3df445  

## Ownership & control

### Holdings / subsidiaries

- **ALNYLAM PHARMACEUTICALS, INC.** (officer) — https://whiteintel.dev/entity/4b418581-d371-5444-94c4-d4cbdecc07b2
- **ALNYLAM PHARMACEUTICALS, INC.** (officer) — https://whiteintel.dev/entity/4b418581-d371-5444-94c4-d4cbdecc07b2
- **Voyager Therapeutics, Inc.** (officer) — https://whiteintel.dev/entity/ebb356d5-2ab2-519b-b3d7-404b94780e71
- **FOUNDATION MEDICINE, INC.** (officer) — https://whiteintel.dev/entity/f68cd8e2-f33d-56d8-8778-0c137ae262c3

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Hesslein Robert W.**. Human view: https://whiteintel.dev/entity/937adcbc-e86d-5d59-a045-53a56f3df445 · Structured JSON: https://whiteintel.dev/api/public/dossier/937adcbc-e86d-5d59-a045-53a56f3df445._

_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"._