MK
Mariusz Kwasnik
MIZUHO SECURITIES USA
NEW YORK, NY 10020
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CRD#: 3054951
MK
Professional summary
Mariusz Kwasnik, who also goes by Marivsz Kwasnik, is a registered financial professional currently at MIZUHO SECURITIES USA LLC located in New York, New York.
Mariusz is registered as a RR (Registered Representative) and started their career in finance in 1998. Mariusz has worked at 4 firms and has passed the Series 63, Series 99TO, SIE, Series 7 and Series 27 exams.
Question & Answer
Are you a "fiduciary"?
No
Aliases
Marivsz Kwasnik
Other business activities
Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
The advisor shows no other business activity.
CRS (Client Relationship Summary) - BD
Click below to view Mariusz Kwasnik's CRS (Customer Relationship Summary).
Certified licenses
Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
NoneExperience
Current
January 23, 2026 - Present
MIZUHO SECURITIES USA LLC
Office #1: 1271 Avenue Of The Americas, New York, NY 10020BD
CRD#: 19647
NEW YORK, NY
Past
October 1, 2008 - May 6, 2015
J.P. MORGAN SECURITIES LLC
BD
CRD#: 79
NEW YORK, NY
Past
May 1, 2001 - October 1, 2008
J.P. MORGAN SECURITIES INC.
BD
CRD#: 18718
NEWARK, DE
Past
August 5, 1998 - May 1, 2001
JPMSI
BD
CRD#: 15733
NEW YORK, NY
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
This advisor is not registered in any state.
Exams
State Security Law Exam
General Industry/Product Exam
RR
Series 99TO
Date: 1/23/2026
Operations Professional ExaminationGeneral Industry/Product Exam
General Industry/Product Exam
Principal/Supervisory Exam
SRO Registrations
RR
FINRA
Current Firm
MS
MIZUHO SECURITIES USA LLC
FUJI SECURITIES INC. | MIZUHO SECURITIES USA LLC | MIZUHO SECURITIES USA INC. | KLEINWORT BENSON GOVERNMENT SECURITIES, INC.
CRD#: 19647 / SEC#: , 8-37710
BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
PREMIUM
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Contact information
Main Address
1271 Avenue Of The Americas, New York, NY 10020
Mailing Address
1271 Avenue Of The Americas, New York, NY 10020
Phone number
(212) 209-9300
Established
Delaware since 04/08/1994
Firm type
Limited Liability Company
Fiscal year end
March
Firm Size
Large
# of Employees
FINRA licenses (52 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| MIZUHO AMERICAS LLC | DIRECT OWNER | |
| BUCHANAN, JOHN ROBERT | MANAGING DIRECTOR/CHIEF OPERATING OFFICER | 1765774 |
| BUSQUET, JACQUES JEAN | DIRECTOR | 3227628 |
| CALLAN MONTELLA, ERIN MARIE | DIRECTOR | 2938656 |
| CONSIDINE, JILL MARIE | DIRECTOR | 5948267 |
| DALY, BRENDAN GERARD | CHIEF COMPLIANCE OFFICER | 1823142 |
| HARTNETT, THOMAS WALTER TIMOTHY | MANAGING DIRECTOR & HEAD OF SALES & TRADING | 3278880 |
| HERRLE, LOUISE MARY | DIRECTOR | 5868706 |
| HOPKINS, ADAM RICHARD | MANAGING DIRECTOR & GENERAL COUNSEL | 5512590 |
| KATZ, MICHAL NMI | MANAGING DIRECTOR & HEAD OF INVESTMENT BANKING | 2813944 |
| KUROSAWA, TATSUYA NMI | DIRECTOR | 8100550 |
| MARTINO, MICHAEL BENEDICT | CHIEF OPERATIONS OFFICER/PRINCIPAL OPERATIONS OFFICER | 4420944 |
| MATSUURA, SHUJI NMI | DIRECTOR & CHAIRMAN | 7375457 |
| MURPHY, JOHN MAC | MANAGING DIRECTOR & HEAD OF FUTURES DIVISION | 1488471 |
| PASQUILL, DARLENE NMI | MANAGING DIRECTOR & HEAD OF EQUITY | 2505982 |
| RIZZIERI, GERALD ANTHONY | PRESIDENT & CHIEF EXECUTIVE OFFICER/DIRECTOR | 1751181 |
| SHIRAISHI, SHIRO NMI | DIRECTOR | 8100597 |
| SKOLLER, RICHARD MARK | SECRETARY | 6663407 |
| TATE, SEIJI NMI | DIRECTOR | 8077227 |
| WONG, DAVID TAI WAI | MANAGING DIRECTOR/CHIEF FINANCIAL OFFICER/FINOP/PRINCIPAL FINANCIAL OFFICER | 4245078 |
| YONEZAWA, TAKEFUMI NMI | DIRECTOR | 8100586 |
Disclosures
| Regulatory Event | 15 |
| Civil Event | 1 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
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