William Henry Propper is an investment adviser representative (IAR) with state registration records since 1997, appearing at 2 firms. Currently registered with CETERA INVESTMENT ADVISERS LLC.
| Firm | From | To | Current |
|---|---|---|---|
| CETERA INVESTMENT ADVISERS LLC | 2025-02-20 | present | Yes |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 1997-03-24 | 2025-02-20 | — |