SIGMA INVESTMENT MANAGEMENT COMPANY of PORTLAND, OR is an SEC-registered investment adviser (CRD 104535).
| Name | Role | Location |
|---|---|---|
| BERG WILLIAM ARTHUR | CHIEF EXECUTIVE OFFICER, SHAREHOLDER; PRESIDENT; PRESIDENT, CHIEF COMPLIANCE OFFICER (+1 more) | — |
| ABRAHAMSON JOHN CRAIG | CHIEF INVESTMENT OFFICER; CHIEF INVESTMENT OFFICER, SHAREHOLDER | — |
| VAN HORN JAMES THOMAS | CHIEF COMPLIANCE OFFICER; CHIEF COMPLIANCE OFFICER / CHIEF FINANCIAL OFFICER; CHIEF COMPLIANCE OFFICER / CHIEF OPERATING OFFICER | — |
| ARMITAGE CAROLYN ANN | CHIEF TECHNOLOGY OFFICER | — |
| GEARY SUZANNE | CHIEF OPERATING OFFICER | — |
| LAURIN HARMON PAO WANG | PRESIDENT, SHAREHOLDER | — |
| WYLDER TIMOTHY JAMES | VICE PRESIDENT AND SECRETARY, SHAREHOLDER | — |