ALLEN DUANE O'BRIAN is an investment adviser representative (IAR) with state registration records since 2006, appearing at 3 firms. Currently registered with OPPENHEIMER & CO. INC..
| Firm | From | To | Current |
|---|---|---|---|
| OPPENHEIMER & CO. INC. | 2017-03-13 | present | Yes |
| MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED | 2008-06-27 | 2017-03-02 | — |
| UBS FINANCIAL SERVICES INC. | 2006-10-06 | 2008-07-03 | — |