STEVEN JAY JEFFERIS is an investment adviser representative (IAR) with state registration records since 2000, appearing at 2 firms. Currently registered with WILLIAM BLAIR.
| Firm | From | To | Current |
|---|---|---|---|
| WILLIAM BLAIR | 2026-02-20 | present | Yes |
| STIFEL, NICOLAUS & COMPANY, INCORPORATED | 2000-01-03 | 2026-01-23 | — |