WILLIAM JAMES OBRIEN is an investment adviser representative (IAR) with state registration records since 2007, appearing at 2 firms. Currently registered with GAMMA INVESTING LLC.
| Firm | From | To | Current |
|---|---|---|---|
| GAMMA INVESTING LLC | 2022-08-16 | present | Yes |
| AMUNDI PIONEER INSTITUTIONAL ASSET MANAGEMENT, INC. | 2007-03-28 | 2014-08-14 | — |