RYAN Stephan MASTILAK is an investment adviser representative (IAR) with state registration records since 2019, appearing at 2 firms. Currently registered with STIFEL, NICOLAUS & COMPANY, INCORPORATED.
| Firm | From | To | Current |
|---|---|---|---|
| STIFEL, NICOLAUS & COMPANY, INCORPORATED | 2024-07-31 | present | Yes |
| VANGUARD ADVISERS, INC. | 2019-12-02 | 2024-07-26 | — |