William M. Konstant
Professional summary
William M Konstant is a registered financial professional currently at RUSSELL INVESTMENTS IMPLEMENTATION SERVICES, LLC located in Seattle, Washington.
William is registered as a RR (Registered Representative) and started their career in finance in 2019. William has worked at 2 firms and has passed the Series 63, Series 7TO, SIE and Series 3 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view William M Konstant's CRS (Customer Relationship Summary).
Certified licenses
Experience
April 16, 2025 - Present
RUSSELL INVESTMENTS IMPLEMENTATION SERVICES, LLC
Office #1: 401 Union St 18th Floor, Seattle, WA, 98101June 13, 2019 - August 16, 2024
GELBER SECURITIES, LLC
Primary Firm SEC Registration

RUSSELL INVESTMENTS IMPLEMENTATION SERVICES, LLC
CRD#: 329 / SEC#: 801-60335, 8-220
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(6/13/2025)
Exams
Series 7TO
Date: 5/13/2019
General Securities Representative ExaminationFINRA
Current Firm

RUSSELL INVESTMENTS IMPLEMENTATION SERVICES, LLC
CRD#: 329 / SEC#: 801-60335, 8-220
Contact information
SEC notice filing (2 States and Territories)
FINRA licenses (9 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| RUSSELL INVESTMENTS US INSTITUTIONAL HOLDCO, INC. | OWNER | |
| ALVAREZ, CARLOS CID | US BROKER-DEALER CHIEF COMPLIANCE OFFICER | 5689384 |
| CURRAN, AMY ELIZABETH | US ADVISER CHIEF COMPLIANCE OFFICER | 4876594 |
| EL-HILLOW, KATHERINE ANNE | DIRECTOR; PRESIDENT; CHIEF INVESTMENT OFFICER | 4889284 |
| LENZO, JASON ABRAM | DIRECTOR | 2972909 |
| OSTROVSKY, AARON ALEXANDER | DIRECTOR | 7851945 |
| PALTROWITZ, MARK DAVID | CHIEF RISK OFFICER | 2787627 |
| SIEGEL, DAVID ANDREW | FINANCIAL AND OPERATIONS PRINCIPAL | 7440274 |
| SURLOFF, HOWARD BRIAN | CHIEF LEGAL OFFICER | 7525747 |
Regulatory assets under management
| Total Number of Accounts | 152 |
| AUM (Assets Under Management) | $ 79,682,796,997 |
Disclosures
| Regulatory Event | 3 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
