JOHN DEMAREST DIEFENBACH is an investment adviser representative (IAR) with state registration records since 2009, appearing at 2 firms. Currently registered with MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED.
| Firm | From | To | Current |
|---|---|---|---|
| MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED | 2016-03-31 | present | Yes |
| WILLIAM BLAIR | 2009-08-24 | 2016-04-21 | — |