WILLIAM R CALLAHAN is an investment adviser representative (IAR) with state registration records since 2011, appearing at 2 firms. Currently registered with SANDRO WEALTH MANAGEMENT LLC.
| Firm | From | To | Current |
|---|---|---|---|
| SANDRO WEALTH MANAGEMENT LLC | 2025-07-15 | present | Yes |
| MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED | 2011-03-01 | 2014-10-03 | — |