# WESTLAKE BIOPARTNERS, LLC

WESTLAKE BIOPARTNERS, LLC of WESTLAKE VILLAGE, CA is an SEC exempt reporting adviser.

## Registration

- CRD: 299325
- Type: SEC exempt reporting adviser
- SEC file number: 802-114322
- Location: 3075 TOWNSGATE ROAD, SUITE 140, WESTLAKE VILLAGE, CA, 91361
- Phone: (805) 465-9588
- Latest filing: 2026-03-30

## Officers, owners & control persons (13)

| Name | Role | Location |
| --- | --- | --- |
| [Beth Seidenberg](https://search.stillhousedata.com/person/26587) | MANAGING DIRECTOR | South San Francisco, CA |
| [Mira Chaurushiya](https://search.stillhousedata.com/person/156589) | MANAGING DIRECTOR | Westlake Village, CA |
| [Brogan Perrelli](https://search.stillhousedata.com/person/719068) | VICE PRESIDENT FINANCE AND OPERATIONS | — |
| [Jennifer Kercher](https://search.stillhousedata.com/person/719069) | GENERAL COUNSEL | — |
| [David D Allison](https://search.stillhousedata.com/person/719070) | MANAGING DIRECTOR | — |
| [RYLES SCOTT ALLEN](https://search.stillhousedata.com/person/815894) | CHIEF OPERATING OFFICER | — |
| [ALLISON DAVID D](https://search.stillhousedata.com/person/895180) | MANAGING DIRECTOR | — |
| [Kercher Jennifer](https://search.stillhousedata.com/person/896961) | GENERAL COUNSEL | — |
| [Seidenberg Beth](https://search.stillhousedata.com/person/897255) | MANAGING DIRECTOR | — |
| [Chaurushiya Mira](https://search.stillhousedata.com/person/898241) | MANAGING DIRECTOR | — |
| [Harper Sean](https://search.stillhousedata.com/person/898249) | MANAGING DIRECTOR | — |
| [CALVELEY PETER MICHAEL](https://search.stillhousedata.com/person/901426) | CHIEF OPERATING OFFICER | — |
| [Perrelli Brogan](https://search.stillhousedata.com/person/905484) | DIRECTOR OF FINANCE; VICE PRESIDENT FINANCE AND OPERATIONS | — |


## Private funds (4)

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| WESTLAKE BIOPARTNERS FUND I, L.P. | Venture Capital Fund | Delaware | 35 | $442.3M | — |
| WESTLAKE BIOPARTNERS FUND III, L.P. | Venture Capital Fund | Delaware | 37 | $440.8M | — |
| WESTLAKE BIOPARTNERS FUND II, L.P. | Venture Capital Fund | Delaware | 50 | $353.5M | — |
| WESTLAKE BIOPARTNERS OPPORTUNITY FUND I, L.P. | Venture Capital Fund | Delaware | 25 | $113.9M | — |


## Fund service providers (1)

- administrator: STANDISH MANAGEMENT, LLC — 4 funds

## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/299325/brochure
- Similar advisers: https://search.stillhousedata.com/firm/299325/similar
- Related entities: https://search.stillhousedata.com/firm/299325/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/299325

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.