JOHN JOSEPH ZIELINSKI is an investment adviser representative (IAR) with state registration records since 2003, appearing at 6 firms. Currently registered with VESTGEN ADVISORS, LLC.
| Firm | From | To | Current |
|---|---|---|---|
| VESTGEN ADVISORS, LLC | 2025-05-27 | present | Yes |
| OPTIMUM INVESTMENT ADVISORS, LLC | 2016-06-16 | 2025-09-30 | — |
| WILLIAM BLAIR | 2013-04-01 | 2016-03-04 | — |
| CAPITAL GUARDIAN TRUST COMPANY | 2009-06-26 | 2013-04-08 | — |
| NEUBERGER BERMAN MANAGEMENT LLC | 2003-03-17 | 2007-09-18 | — |
| NEUBERGER BERMAN BD LLC | 2003-03-17 | 2007-09-18 | — |