# EPSILON FINANCIAL GROUP, INC.

EPSILON FINANCIAL GROUP, INC. of FAIRFIELD, CA is an SEC-registered investment adviser.

## Registration

- CRD: 111990
- Type: SEC-registered investment adviser
- SEC file number: 801-62454
- Location: 2801 WATERMAN BLVD., SUITE 250, FAIRFIELD, CA, 94534
- Phone: 707-428-5500
- Latest filing: 2026-06-29
- Regulatory AUM: $626.1M
- Discretionary AUM: $612.8M
- Non-discretionary AUM: $13.3M
- Clients: 8
- Accounts: 434

## Business model

- Compensation: % of AUM, Hourly, Fixed
- Clients served: Individuals, High net worth

## Officers, owners & control persons (12)

| Name | Role | Location |
| --- | --- | --- |
| Peter AC Mattei | TREASURER | — |
| Mark Scott Sievers | PRESIDENT, CHIEF COMPLIANCE OFFICER | — |
| Dennis Pete Park | ASSISTANT SECRETARY | — |
| Leo Frank Martinez | SECRETARY | — |
| Michael Jeffrey Hathaway | ASSISTANT CFO | — |
| SIEVERS MARK SCOTT | OWNER; PRESIDENT; PRESIDENT, CHIEF COMPLIANCE OFFICER | — |
| PARK DENNIS PETE | ASSISTANT SECRETARY; CFO | — |
| GOSSELL LOWELL CRAIG | SECRETARY | — |
| MARTINEZ LEO FRANK | ASSISTANT SECRETARY; SECRETARY | — |
| MATTEI PETER AC | SECRETARY; TREASURER | — |
| HATHAWAY MICHAEL JEFFREY | ASSISTANT CFO; SHAREHOLDER | — |
| Peter A.C. Mattei | TREASURER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/111990/brochure
- Similar advisers: https://search.stillhousedata.com/firm/111990/similar
- Related entities: https://search.stillhousedata.com/firm/111990/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/111990

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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.