JONATHAN HARRY SIEGEL is an investment adviser representative (IAR) with state registration records since 2021, appearing at 2 firms. Currently registered with A.G.P. / ALLIANCE GLOBAL PARTNERS, LLC.
| Firm | From | To | Current |
|---|---|---|---|
| A.G.P. / ALLIANCE GLOBAL PARTNERS, LLC | 2025-12-05 | present | Yes |
| STIFEL, NICOLAUS & COMPANY, INCORPORATED | 2021-05-26 | 2025-12-11 | — |