# PIONEER SQUARE INVESTMENT ADVISOR, LLC

PIONEER SQUARE INVESTMENT ADVISOR, LLC of SEATTLE, WA is an SEC exempt reporting adviser.

## Registration

- CRD: 292854
- Type: SEC exempt reporting adviser
- SEC file number: 802-112603
- Location: 240 2ND AVE S, STE 300, SEATTLE, WA, 98104
- Phone: (206) 202-2227
- Latest filing: 2026-04-11

## Officers, owners & control persons (10)

| Name | Role | Location |
| --- | --- | --- |
| [Gregory Aaron Gottesman](https://search.stillhousedata.com/person/422755) | MANAGING DIRECTOR, MEMBER | Seattle, WA |
| [Geoffrey Roger Entress](https://search.stillhousedata.com/person/718883) | MANAGING DIRECTOR, MEMBER | — |
| [Julia Elizabeth Sandler](https://search.stillhousedata.com/person/718884) | MANAGING DIRECTOR, MEMBER | — |
| [Palvi Kumar Mehta](https://search.stillhousedata.com/person/718885) | CHIEF FINANCIAL OFFICER | — |
| [SINGLETON AARON WILLIAM](https://search.stillhousedata.com/person/743964) | CHIEF FINANCIAL OFFICER | — |
| [ENTRESS GEOFFREY ROGER](https://search.stillhousedata.com/person/868438) | MANAGING DIRECTOR, MEMBER | — |
| [GOTTESMAN GREGORY AARON](https://search.stillhousedata.com/person/868439) | MANAGING DIRECTOR, MEMBER | — |
| [SANDLER JULIA ELIZABETH](https://search.stillhousedata.com/person/868440) | MANAGING DIRECTOR, MEMBER | — |
| [GALGON MICHAEL THOMAS](https://search.stillhousedata.com/person/884820) | MANAGING DIRECTOR, MEMBER | — |
| [Mehta Palvi Kumar](https://search.stillhousedata.com/person/898108) | CHIEF FINANCIAL OFFICER | — |


## Private funds (2)

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| PIONEER SQUARE VENTURES FUND II, L.P. | Venture Capital Fund | Delaware | 76 | $100.0M | $100K |
| PIONEER SQUARE VENTURES FUND I, L.P. | Venture Capital Fund | Delaware | 71 | $80.0M | $100K |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/292854/brochure
- Similar advisers: https://search.stillhousedata.com/firm/292854/similar
- Related entities: https://search.stillhousedata.com/firm/292854/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/292854

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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.