---
title: "AFFYMAX INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fff6ce45-e5e5-5912-a5e1-b5af738ecae0
json: https://whiteintel.dev/api/public/dossier/fff6ce45-e5e5-5912-a5e1-b5af738ecae0
identifier: sec:0001158223
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AFFYMAX INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001158223`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/fff6ce45-e5e5-5912-a5e1-b5af738ecae0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fff6ce45-e5e5-5912-a5e1-b5af738ecae0  

## Ownership & control

### Owners / controllers

- **WALKER JOHN PETER** (director) — https://whiteintel.dev/entity/c9690e2d-51c5-5a16-9d1c-b89ff21caf6a
- **THOMPSON MARK G** (officer) — https://whiteintel.dev/entity/0254391d-f533-523b-8579-65883ab22a76
- **BRENNER RICHARD M** (officer) — https://whiteintel.dev/entity/4d3d9f67-16d1-5903-9552-14f3ecaa2206
- **ROSE J. WESTON** (officer) — https://whiteintel.dev/entity/a3195c6b-1b96-568d-a130-4abe2140768c
- **Orwin John A** (director) — https://whiteintel.dev/entity/48ff55ab-cbc0-59a3-9744-ae72cb112531
- **Orwin John A** (officer) — https://whiteintel.dev/entity/48ff55ab-cbc0-59a3-9744-ae72cb112531
- **KNAPP JEFFREY H** (officer) — https://whiteintel.dev/entity/6949b00b-b416-5f53-8fe5-e131b943eaf3
- **DULIEGE ANNE-MARIE** (officer) — https://whiteintel.dev/entity/4ac332ce-3e47-5dae-93c5-80a4c33653fe
- **CROSS HERB** (officer) — https://whiteintel.dev/entity/4757b57b-acf5-5da9-bf8f-da5bce643373
- **VENTEICHER ROBERT** (officer) — https://whiteintel.dev/entity/ec9a105c-9ec2-52a7-a4d4-9db50d65e4a7
- **Walker Karin L** (officer) — https://whiteintel.dev/entity/af5f3bd1-6866-58d7-b248-50af08dc5ee7
- **LAPORTE KATHLEEN** (director) — https://whiteintel.dev/entity/0f73a276-49da-5f47-aee9-df9bf4dd4cbd
- **SPIEGELMAN DANIEL K** (director) — https://whiteintel.dev/entity/3552c0b8-712d-5b45-aeea-de313c2fcf8e
- **VAN HEEK CHRISTI** (director) — https://whiteintel.dev/entity/1530f6b4-3e02-5a3b-83ec-3e830abee453
- **RENTON HOLLINGS** (director) — https://whiteintel.dev/entity/ddb97284-6751-5371-b338-e6efe98785ba
- **LEONARD KEITH R** (director) — https://whiteintel.dev/entity/3a320a0e-50d6-5d0f-af8c-12e5440775ed
- **LOVE TED W** (director) — https://whiteintel.dev/entity/1141706b-0eec-5393-a160-2752cddcbc2a
- **MORRIS ARLENE** (officer) — https://whiteintel.dev/entity/b7f22dbf-d4ad-571d-ba43-00c466ad457c
- **CLEVELAND PAUL B** (officer) — https://whiteintel.dev/entity/7fbadbf2-4f5c-579c-afd2-138aaee206f1
- **CREDIT SUISSE AG/** (tenpercentowner) — https://whiteintel.dev/entity/e6b56755-829f-5ca3-a526-d88b502d2985
- **MORRIS ARLENE** (director) — https://whiteintel.dev/entity/b7f22dbf-d4ad-571d-ba43-00c466ad457c
- **LOVE STEVEN** (officer) — https://whiteintel.dev/entity/06b29f9e-d7fc-52dd-919b-cd1e2800c8a3
- **DOUGLAS R LEE** (director) — https://whiteintel.dev/entity/f8f3b924-6725-5092-b39b-9fa2272b7ae0
- **APAX PARTNERS EUROPE MANAGERS LTD** (tenpercentowner) — https://whiteintel.dev/entity/c9d06734-30cf-52d1-9d65-7622cfa5084f
- **APAX MANAGERS INC** (tenpercentowner) — https://whiteintel.dev/entity/dd17a9d7-3414-530f-b1ca-48d8b89a0c81
- **APAX EUROPE V GP CO.LTD** (tenpercentowner) — https://whiteintel.dev/entity/6128d4cd-db22-50b4-ac98-edcac1df5006
- **GALAKATOS NICHOLAS** (tenpercentowner) — https://whiteintel.dev/entity/f8b5e14d-e4c2-5521-8a62-36456b1e72ad
- **GALAKATOS NICHOLAS** (director) — https://whiteintel.dev/entity/f8b5e14d-e4c2-5521-8a62-36456b1e72ad
- **NASO ROBERT B** (officer) — https://whiteintel.dev/entity/aa6d02fc-98e5-5fbd-a16d-3baed2b913f1
- **CZEREPAK ELIZABETH** (tenpercentowner) — https://whiteintel.dev/entity/eb3cfb0e-642f-52ee-8c82-5459b11cd521
- **CZEREPAK ELIZABETH** (director) — https://whiteintel.dev/entity/eb3cfb0e-642f-52ee-8c82-5459b11cd521
- **MAHDAVI ALI** (officer) — https://whiteintel.dev/entity/52b71e44-8e87-578f-92b2-c6f9d0c06a11
- **HOZOJI HIRONORI** (director) — https://whiteintel.dev/entity/203a5f14-bf62-5631-a069-508dcf6d9b24
- **WHEELER KURT** (tenpercentowner) — https://whiteintel.dev/entity/433b023a-4de1-5c4a-a8a5-47dd6d34dace
- **MPM ASSET MANAGEMENT II LLC** (tenpercentowner) — https://whiteintel.dev/entity/6eefa064-0412-5ead-9656-0ca37ace0342
- **RYSER STEFAN** (tenpercentowner) — https://whiteintel.dev/entity/c5b48d37-352f-5319-9799-3e396895e894
- **STEINMETZ MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/c30b57e9-e0a9-5270-8715-4251b813099f
- **MPM BIOVENTURES II LP** (tenpercentowner) — https://whiteintel.dev/entity/002369c4-7ecd-5bca-b22d-46dcdcdbc1c9
- **GADICKE ANSBERT** (tenpercentowner) — https://whiteintel.dev/entity/3d6fb5d6-4514-5ca9-bf31-0f4073abbd96
- **HENNER DENNIS** (tenpercentowner) — https://whiteintel.dev/entity/7f9f8828-19ec-5f98-9179-f20d20d9018b
- **MPM BIO VENTURES III LLC** (tenpercentowner) — https://whiteintel.dev/entity/37219560-4b15-55be-8b14-4c36eac8e4ad
- **BEAR STEARNS HEALTH INNOVENTURES LP** (tenpercentowner) — https://whiteintel.dev/entity/1dac951c-db67-5e79-8f78-7fd93133f4af
- **BEAR STEARNS HEALTH INNOVENTURES MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/e32f4984-59f8-54f3-a2ef-46d764a5885a
- **EVNIN LUKE** (tenpercentowner) — https://whiteintel.dev/entity/e4d341cd-cb07-58bc-8144-c8413904c78b
- **BEAR STEARNS HEALTH INNOVENTURES OFFSHORE LP** (tenpercentowner) — https://whiteintel.dev/entity/3cc04d75-e15e-5b35-bb89-3d0e4517a468
- **MPM ASSET MANAGEMENT II LP** (tenpercentowner) — https://whiteintel.dev/entity/554ab034-e6a8-5a15-a067-e55ec1e8bd32
- **BEAR STEARNS HEALTH INNOVENTURES EMPLOYEE FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/bebba1aa-3908-58be-92e2-ce8006565c4f
- **SIMON NICHOLAS J III** (tenpercentowner) — https://whiteintel.dev/entity/66e3f131-24f7-5e09-b02f-618751111db0
- **MPM BIOVENTURES STRATEGIC FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/d9648dc1-6153-5ec4-aad3-a465113cf63f
- **BSHI MEMBERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/cfcc7411-e6cd-50c9-b72c-c73bc62e460b
- **MPM BIOVENTURES GMBH & CO PARALLEL BETEILIGUNGS KG** (tenpercentowner) — https://whiteintel.dev/entity/5bee7383-9d80-56eb-bad2-94362a5fcf3b
- **MPM BIO VENTURES III GP LP** (tenpercentowner) — https://whiteintel.dev/entity/7e05515f-b237-5e32-a556-29fdf0da6367
- **BEAR STEARNS ASSET MANAGEMENT INC** (tenpercentowner) — https://whiteintel.dev/entity/1cb79e43-a69d-59a2-8abc-b40a599ff3d9
- **MPM ASSET MANAGEMENT INVESTORS 2001 LLC** (tenpercentowner) — https://whiteintel.dev/entity/9c9cb309-7e38-50b3-b844-ba55760a52a2
- **BEAR STEARNS COMPANIES INC** (tenpercentowner) — https://whiteintel.dev/entity/3d11d3a6-20f9-5a9c-b736-6d4722ad4083
- **MPM BIOVENTURES II QP LP** (tenpercentowner) — https://whiteintel.dev/entity/12f84d94-b692-5cbf-876e-624812c12cbe
- **BX LP** (tenpercentowner) — https://whiteintel.dev/entity/f0460e3b-7f83-5dcb-a743-0327b40c9662

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

A **249-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 **AFFYMAX INC**. Human view: https://whiteintel.dev/entity/fff6ce45-e5e5-5912-a5e1-b5af738ecae0 · Structured JSON: https://whiteintel.dev/api/public/dossier/fff6ce45-e5e5-5912-a5e1-b5af738ecae0._

_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"._