JONATHAN STEPHEN MARKOS is an investment adviser representative (IAR) with state registration records since 2015, appearing at 2 firms. Currently registered with PARK AVENUE SECURITIES LLC.
| Firm | From | To | Current |
|---|---|---|---|
| PARK AVENUE SECURITIES LLC | 2025-01-16 | present | Yes |
| MML INVESTORS SERVICES, LLC | 2015-03-25 | 2024-12-19 | — |