LEO JOHN DIERCKMAN is an investment adviser representative (IAR) with state registration records since 2004, appearing at 2 firms. Currently registered with OPPENHEIMER ASSET MANAGEMENT INC..
| Firm | From | To | Current |
|---|---|---|---|
| OPPENHEIMER ASSET MANAGEMENT INC. | 2007-01-11 | present | Yes |
| OPPENHEIMER ASSET MANAGEMENT INC. | 2006-04-25 | 2025-12-31 | — |
| 40/86 ADVISORS, INC. | 2004-10-28 | 2005-12-08 | — |