Mildred O'donnell
Professional summary
Mildred O'donnell, who also goes by Milli O'donnell, Mildred Odonnell, Mildred Sciarrone, Mildred Sciarrone, is a registered financial professional currently at GUGGENHEIM SECURITIES, LLC located in New York, New York.
Mildred is registered as a RR (Registered Representative) and started their career in finance in 1995. Mildred has worked at 11 firms and has passed the Series 66, Series 63, Series 99TO, Series 79TO, SIE, Series 57, Series 7, Series 4 and Series 24 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Mildred O'donnell's CRS (Customer Relationship Summary).
Certified licenses
Experience
November 19, 2025 - Present
GUGGENHEIM SECURITIES, LLC
Office #1: 330 Madison Avenue, New York, NY 10017July 27, 2017 - December 12, 2025
CANACCORD GENUITY LLC
January 10, 2014 - August 9, 2017
THE BENCHMARK COMPANY, LLC
May 1, 2013 - January 2, 2014
GLOBAL HUNTER SECURITIES, LLC
May 1, 2013 - January 2, 2014
GHS TRADING LLC
July 12, 2010 - May 2, 2013
GILFORD FINANCIAL CORP.
September 26, 2003 - May 2, 2013
GILFORD SECURITIES INCORPORATED
March 24, 2003 - September 12, 2003
BENCHMARK SECURITIES GROUP, INC.
February 24, 1998 - April 10, 2003
FIRST SECURITY INVESTMENTS, INC.
December 18, 1996 - March 2, 1998
NORTHEAST SECURITIES, LLC
July 20, 1995 - December 23, 1996
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(11/19/2025)
Exams
Series 99TO
Date: 1/2/2023
Operations Professional ExaminationSeries 79TO
Date: 1/2/2023
Investment Banking Registered Representative ExaminationFINRA
Investors' Exchange LLC
Nasdaq Stock Market
Current Firm
GUGGENHEIM SECURITIES, LLC
CRD#: 40638 / SEC#: , 8-49107
Contact information
FINRA licenses (52 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| LINKS HOLDINGS, LLC | MEMBER | |
| GUGGENHEIM MANAGER, INC. | MANAGING MEMBER | |
| LOWERY WHILLE, TRACY | CHIEF COMPLIANCE OFFICER | 2872693 |
| MILLSTEIN, JAMES E. | CO-CHARIMAN | 4270577 |
| SCHWARTZ, ALAN DAVID | CO-CHAIRMAN | 416184 |
| SCHWARTZ, ANDREW JON | CHIEF FINANCIAL OFFICER | 5121914 |
| SIRNA, KRISTINE M | CHIEF OPERATIONS PRINCIPAL & PRINCIPAL OPERATIONS OFFICER | 5971785 |
| TSOU, SUSAN | FINOP & PRINCIPAL FINANCIAL OFFICER | 6187001 |
| VAN LITH, MARK ALAN | CHEIF EXECUTIVE OFFICER | 2263510 |
Disclosures
| Regulatory Event | 10 |
Red Flags
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