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GD

Gregory E. Doig

MIZUHO SECURITIES USA
NEW YORK, NY 10020
Some features on this profile are disabled
CRD#: 4667186
GD

Professional summary

Gregory Ethan Doig is a registered financial professional currently at MIZUHO SECURITIES USA LLC located in New York, New York and MIZUHO SECURITIES CANADA INC. located in New York, New York.

Gregory is registered as a RR (Registered Representative) and started their career in finance in 2012. Gregory has worked at 3 firms and has passed the SIE, Series 99TO and Series 27 exams.

Question & Answer

Are you a "fiduciary"?
No

Aliases

None

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.

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Gregory Ethan Doig'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®
None

Experience

Current

October 12, 2012 - Present

MIZUHO SECURITIES USA LLC

Office #1: 1271 Avenue Of The Americas, New York, NY 10020
BD
CRD#: 19647
NEW YORK, NY
Current

January 5, 2021 - Present

MIZUHO SECURITIES CANADA INC.

Office #1: 1271 Avenue Of The Americas Floors 2,3,4,18,19, New York, NY 10020
BD
CRD#: 300059
NEW YORK, NY
Current

February 2, 2026 - Present

GREENHILL & CO., LLC

Office #1: 1271 Avenue Of The Americas, New York, NY 10020
BD
CRD#: 40290
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

General Industry/Product Exam
RR
SIE
Date: 1/2/2023
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 99TO
Date: 1/2/2023
Operations Professional Examination
Principal/Supervisory Exam
RR
Series 27
Date: 10/11/2012
Financial and Operations Principal Examination
SRO Registrations
RR
Cboe BYX Exchange, Inc.
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
Investors' Exchange LLC
SRO Registrations
RR
Nasdaq Stock Market

Current Firm

G&
GREENHILL & CO., LLC
GREENHILL & CO., LLC

CRD#: 40290 / SEC#: , 8-49000

BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
PREMIUM
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Trends, Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

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) 389-1500
Established
New York since 01/19/1996
Firm type
Limited Liability Company
Fiscal year end
March
Firm Size
Small
# of Employees

FINRA licenses (51 States and Territories)

Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents

Direct owners and executive officers

NamePositionCRD#
GREENHILL & CO., INC.OWNER
DALY, BRENDAN GERARDCHIEF COMPLIANCE OFFICER1823142
FALEIRO, GITANJALI PINTOGENERAL COUNSEL4250865
KATZ, MICHALMANGING DIRECTOR - HEAD OF INVESTMENT BANKING2813944
LASKY, MARK RICHARDCHIEF FINANCIAL OFFICER, PRINCIPAL FINANCIAL OFFICER, FINOP6005542
MIZUHO SECURITIES USA LLCMANAGER19647
RIZZIERI, GERALD ANTHONYCHIEF EXECUTIVE OFFICER1751181

Disclosures

Regulatory Event1

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.

Company Information

GREENHILL & CO., LLC

CRD#: 40290New York, NY 10020

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