# A1 MANAGEMENT CO. LLC

A1 MANAGEMENT CO. LLC of CHICAGO, IL is an SEC exempt reporting adviser.

## Registration

- CRD: 326677
- Type: SEC exempt reporting adviser
- SEC file number: 802-128080
- Location: 515 N. STATE STREET, SUITE 300, CHICAGO, IL, 60654
- Phone: 312-787-8787
- Latest filing: 2026-04-22
- Total assets: $84.3M

## Officers, owners & control persons (19)

| Name | Role | Location |
| --- | --- | --- |
| [Eric Langshur](https://search.stillhousedata.com/person/170716) | MANAGER / MANAGING DIRECTOR; MEMBER AND MANAGER | Chicago, IL |
| [ANDREW SWINAND](https://search.stillhousedata.com/person/340922) | MEMBER AND MANAGER | CHICAGO, IL |
| [Leonardo Brubaker](https://search.stillhousedata.com/person/351542) | MANAGER / MANAGING DIRECTOR | Chicago, IL |
| [James Allen Bowen](https://search.stillhousedata.com/person/662023) | SOLE SHAREHOLDER | — |
| [Jonathan Robert Phillips](https://search.stillhousedata.com/person/695546) | MANAGER / MANAGING DIRECTOR | — |
| [Lee Irwin Miller](https://search.stillhousedata.com/person/695547) | CHIEF COMPLIANCE OFFICER | — |
| [Joseph Paul Greskoviak](https://search.stillhousedata.com/person/695548) | MANAGER / MANAGING DIRECTOR | — |
| [Rachel Lauren Kern](https://search.stillhousedata.com/person/695549) | MANAGER / MANAGING DIRECTOR | — |
| [Mark Werner Kroeger](https://search.stillhousedata.com/person/695550) | MANAGER / MANAGING DIRECTOR | — |
| [PHILLIPS RICHARD ROBERT](https://search.stillhousedata.com/person/737765) | MANAGER / MANAGING DIRECTOR | — |
| [MILLER MARK IRWIN](https://search.stillhousedata.com/person/739258) | CHIEF COMPLIANCE OFFICER | — |
| [BOWEN JAMES ALLEN](https://search.stillhousedata.com/person/755551) | SOLE SHAREHOLDER | — |
| [Langshur Eric](https://search.stillhousedata.com/person/905800) | MANAGER / MANAGING DIRECTOR; MEMBER AND MANAGER | — |
| [Brubaker Leonardo](https://search.stillhousedata.com/person/905801) | MANAGER / MANAGING DIRECTOR | — |
| [Greskoviak Joseph Paul](https://search.stillhousedata.com/person/905802) | MANAGER / MANAGING DIRECTOR | — |
| [Hill James Donald](https://search.stillhousedata.com/person/905803) | MANAGER / MANAGING DIRECTOR | — |
| [KERN RACHEL LAUREN](https://search.stillhousedata.com/person/905804) | MANAGER / MANAGING DIRECTOR | — |
| [Swinand Andrew](https://search.stillhousedata.com/person/905805) | MEMBER AND MANAGER | — |
| [KROEGER MARK WERNER](https://search.stillhousedata.com/person/907889) | MANAGER / MANAGING DIRECTOR | — |


## Private funds (1)

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| A1 HEALTH VENTURES I, LP | Venture Capital Fund | Delaware | 19 | $84.1M | $250K |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/326677/brochure
- Similar advisers: https://search.stillhousedata.com/firm/326677/similar
- Related entities: https://search.stillhousedata.com/firm/326677/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/326677

---

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.