---
title: "SIENNA BIOPHARMACEUTICALS, INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2cc09a09-3a86-57e9-9b4f-48050eddee2d
json: https://whiteintel.dev/api/public/dossier/2cc09a09-3a86-57e9-9b4f-48050eddee2d
identifier: sec:0001656328
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIENNA BIOPHARMACEUTICALS, INC.

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001656328`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2cc09a09-3a86-57e9-9b4f-48050eddee2d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2cc09a09-3a86-57e9-9b4f-48050eddee2d  

## Ownership & control

### Owners / controllers

- **Azoy Alexander** (officer) — https://whiteintel.dev/entity/8227d338-fbb1-5617-b93f-71c50dad99bb
- **BEDDINGFIELD III FREDERICK** (officer) — https://whiteintel.dev/entity/ce4b5bfc-ee72-5df7-a158-4c6aab6a7a7f
- **STROEHMANN DIANE** (officer) — https://whiteintel.dev/entity/5fa7a856-8a44-549f-8141-73eaa01a3bcf
- **ANDREWS TIMOTHY K.** (officer) — https://whiteintel.dev/entity/f2127693-73d5-5ecc-ae25-4b503a88c2c9
- **Lizzul Paul F.** (officer) — https://whiteintel.dev/entity/f0b8493c-5c3e-5605-b5da-545d4a57e85a
- **BEDDINGFIELD III FREDERICK** (director) — https://whiteintel.dev/entity/ce4b5bfc-ee72-5df7-a158-4c6aab6a7a7f
- **FENTON DENNIS M** (director) — https://whiteintel.dev/entity/1a44698a-7321-5709-a787-2870d952e05b
- **HINDMAN JAMES M.** (director) — https://whiteintel.dev/entity/e13b6c97-14e6-59cb-aa20-89eb641e0273
- **Burow Kristina** (director) — https://whiteintel.dev/entity/0f1abcbe-506e-5b0c-bb97-568da15ce841
- **Harris Todd** (director) — https://whiteintel.dev/entity/e781d875-86f2-5be5-aa93-d77e58805506
- **Burow Kristina** (tenpercentowner) — https://whiteintel.dev/entity/0f1abcbe-506e-5b0c-bb97-568da15ce841
- **MORE ROBERT J** (director) — https://whiteintel.dev/entity/d7ff12cf-0d84-5c17-a5ee-75602723fcde
- **LEONARD KEITH R** (director) — https://whiteintel.dev/entity/3a320a0e-50d6-5d0f-af8c-12e5440775ed
- **ARCH VENTURE FUND VIII OVERAGE, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/e500e656-c068-55f0-9b61-bfe4cb7a6a75
- **ARCH Venture Partners X Overage, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a404c587-bc7e-53e3-9568-8e061821cade
- **GILLIS STEVEN** (tenpercentowner) — https://whiteintel.dev/entity/48b1470b-6cc8-554f-a9ed-de2b29ae4c64
- **BYBEE CLINTON** (tenpercentowner) — https://whiteintel.dev/entity/e1a5ed30-1d0e-514b-8bdb-ad7288e7513f
- **ARCH Venture Partners X, LLC** (tenpercentowner) — https://whiteintel.dev/entity/ab40fd36-95c2-5452-94c9-e0d287852bf9
- **ARCH VENTURE PARTNERS VIII, LLC** (tenpercentowner) — https://whiteintel.dev/entity/881dc6a8-4671-51b4-919f-25648af22c05
- **Smither John W** (officer) — https://whiteintel.dev/entity/de34bc72-cdbf-5d8b-a84f-6b99fb01aef6
- **CRANDELL KEITH** (tenpercentowner) — https://whiteintel.dev/entity/0b31fd41-500a-5cb1-a77b-41f0d275e1d6
- **ARCH Venture Fund X Overage, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/698ec405-da60-5ecc-a406-a6af7249605c
- **ARCH VENTURE PARTNERS VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/3a3e6063-29a8-538b-ba2a-e3f24d2d398d
- **ARCH VENTURE FUND VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/d7a15757-96db-5658-b627-2b27845315ec
- **NELSEN ROBERT** (tenpercentowner) — https://whiteintel.dev/entity/eaa300c3-45d7-535f-9a87-678e025e82f1
- **NELSEN ROBERT** (director) — https://whiteintel.dev/entity/eaa300c3-45d7-535f-9a87-678e025e82f1
- **Harris Todd** (officer) — https://whiteintel.dev/entity/e781d875-86f2-5be5-aa93-d77e58805506
- **MAST ERLE T** (director) — https://whiteintel.dev/entity/e9c47e08-2848-5edb-8e26-736e67c4aa51
- **PETERSON RICHARD D** (officer) — https://whiteintel.dev/entity/f31ad406-bcde-51ce-a912-edc117ac8fa6

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

A **29-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.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIENNA BIOPHARMACEUTICALS, INC.**. Human view: https://whiteintel.dev/entity/2cc09a09-3a86-57e9-9b4f-48050eddee2d · Structured JSON: https://whiteintel.dev/api/public/dossier/2cc09a09-3a86-57e9-9b4f-48050eddee2d._

_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"._