MARK STEVEN WINTHROP is an investment adviser representative (IAR) with state registration records since 1993, appearing at 2 firms. Currently registered with WINTHROP ADVISORY GROUP, LLC.
| Firm | From | To | Current |
|---|---|---|---|
| WINTHROP ADVISORY GROUP, LLC | 2017-10-16 | present | Yes |
| LPL FINANCIAL LLC | 1993-01-01 | 2025-01-08 | — |