# MAINSTREET INVESTMENT ADVISORS LLC

MAINSTREET INVESTMENT ADVISORS LLC of CHICAGO, IL is an SEC-registered investment adviser.

## Registration

- CRD: 146615
- Type: SEC-registered investment adviser
- SEC file number: 801-68930
- Location: 120 N. LASALLE STREET, SUITE 3300, CHICAGO, IL, 60602-2424
- Phone: 312-223-0270
- Latest filing: 2026-03-27
- Regulatory AUM: $5.9B
- Discretionary AUM: $963.2M
- Non-discretionary AUM: $4.9B
- Clients: 26
- Accounts: 5,636

## Business model

- Compensation: % of AUM, Fixed
- Clients served: High net worth, Pooled vehicles, Corporations

## Officers, owners & control persons (32)

_Showing 25 of 32 people._

| Name | Role | Location |
| --- | --- | --- |
| Alessandro Urbani | HEAD OF REVENIE; MANAGING DIRECTOR | — |
| Tara Colleen Zientek | HEAD OF PEOPLE | — |
| Michael A Steele | CHIEF OPERATING OFFICER | — |
| John Francis Crosson | CHIEF EXECUTIVE OFFICER; MEMBER | — |
| Roseann Higgins | CHIEF COMPLIANCE OFFICER | Cincinnati, OH |
| Julie Chapman Crosson | MEMBER | — |
| WILSON STEVEN MARK | CCO; CHIEF COMPLIANCE OFFICER | — |
| HULLS DIANE JEAN | CHIEF COMPLIANCE OFFICER | — |
| MARNELL PAUL JOSEPH | CHIEF COMPLIANCE OFFICER | — |
| REYNOLDS HAL WILLIAM | DIRECTOR; MANAGER; MANAGING MEMBER | — |
| HEDGER STEPHEN SHAWN | DIRECTOR; MANAGER; MANAGING MEMBER | — |
| MCNAMARA BRIAN MCCORMICK | MANAGING DIRECTOR | — |
| CROSSON JOHN FRANCIS | CEO; CEO, DIRECTOR; CEO - MANAGING DIRECTOR (+7 more) | — |
| MILTON RICHARD JASON | DIRECTOR OF BUSINESS MANAGEMENT,  DIRECTOR; MANAGING DIRECTOR; MANAGING DIRECTOR, (+2 more) | — |
| URBANI ALESSANDRO | HEAD OF REVENIE; MANAGING DIRECTOR; PRESIDENT (+3 more) | — |
| ZIENTEK TARA C | CFO MANAGING DIRECTOR; MANAGING DIRECTOR | — |
| KEILEY EDWARD HAYES | CCO - AML OFFICER; CCO-AMLOFFICER; CHIEF COMPLIANCE OFFICER | — |
| ZIENTEK TARA COLLEEN | CFO, DIRECTOR; CFO MANAGING DIRECTOR; HEAD OF PEOPLE (+2 more) | — |
| STROIK CYNTHIA ROSE | CHIEF COMPLIANCE OFFICER | — |
| HRABAK ROBERT JAMES | CIO & COO | — |
| FRISCHER LORI MICHELLE | MANAGER | — |
| SIMPSON MATTHEW JOSEPH | CHIEF CLIENT OFFICER; CHIEF CLIENT OFFICER, DIRECTOR; CHIEF CLIENT OFFICER, MANAGER (+1 more) | — |
| LAMB BRIAN DARYL | DIRECTOR | — |
| COOGAN GERALD BRADY | DIRECTOR | — |
| KENNEDY MICHAEL FRANCIS | DIRECTOR; MANAGER; MANAGING MEMBER | — |


## Branch offices (8)

| City | State | Employees | Phone |
| --- | --- | --- | --- |
| — | — | 1 | 3122230270 |
| — | — | 1 | 3122230270 |
| — | — | 1 | 3122230270 |
| ST PERE | WI | 1 | 3122230270 |
| — | — | 1 | 3122230270 |
| — | — | 1 | 3122230270 |
| — | — | 1 | 3122230270 |
| ST PERE | WI | 1 | 3122230270 |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/146615/brochure
- Similar advisers: https://search.stillhousedata.com/firm/146615/similar
- Related entities: https://search.stillhousedata.com/firm/146615/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/146615

---

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.