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Gayl Mileszko

Investment adviser representative at Herbert J. Sims Capital Management in Fairfield, CT

Investment adviser and broker registrationsUpdated

Gayl Mileszko is an investment adviser representative at Herbert J. Sims Capital Management, Inc., an investment adviser managing $437M, and works from its Fairfield, CT office. Gayl Mileszko has been registered through Herbert J. Sims Capital Management since 9 August 2021, has 8 years in the industry across 2 firms and has passed the Series 65, Series 7 and Series 24.

8
Years in industry
5
Years at firm
2
Adviser firms
1
States registered

From the IAPD record, checked 23 October 2026SEC record

Career

Gayl Mileszko has been an investment adviser representative at Herbert J. Sims Capital Management since August 2021, and is not listed among the firm’s executive officers or direct owners.

Herbert J. Sims Capital Management, Inc. is a Fairfield, CT firm with $437M under management, 350 clients and 25 advisers across 5 offices, as of its April 2026 filing.

Gayl Mileszko’s longest registration is the current one, 5 years at Herbert J. Sims Capital Management since 2021. Before joining Herbert J. Sims Capital Management in 2021, Gayl Mileszko was registered through Braintree Capital Partners, LLC.

  1. – present · 5 years
    Fairfield, CT · Adviser representative · Firm CRD 134510
  2. Braintree Capital Partners, LLC
    – · 1 year
    Fairfield, CT · Adviser representative · Firm CRD 148893

Credentials and registrations

Investment adviser representative registrations

Gayl Mileszko is registered as an investment adviser representative in Florida, since August 2021.

  • FloridaSince 9 August 2021

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 2411 April 2018
Name
General Securities Principal Examination
Series 726 January 2018
Name
General Securities Representative Examination
Series 6513 October 2017
Name
Uniform Investment Adviser Law Examination

Key facts

Full name
Gayl Ann Mileszko
CRD
2488865
Office
2150 POST ROAD, Suite 301, Fairfield, CT 06824
Registration
Investment adviser and broker registrations
In the industry since
November 2017
Disciplinary history
Not yet shown here · SEC record · BrokerCheck

Common questions

Where does Gayl Mileszko work?

Gayl Mileszko is an investment adviser representative registered through Herbert J. Sims Capital Management, Inc. since August 2021, and is not listed among the firm’s executive officers or direct owners.

Source: IAPD individual record, checked 23 October 2026

Is Gayl Mileszko a financial advisor?

Yes. Gayl Mileszko has a current investment-adviser registration in Florida, through Herbert J. Sims Capital Management since August 2021.

Source: IAPD individual record, checked 23 October 2026

How many years of experience does Gayl Mileszko have?

Gayl Mileszko has 8 years in the financial industry, since November 2017, across 2 adviser firms.

Source: IAPD individual record, checked 23 October 2026

What exams has Gayl Mileszko passed?

Gayl Mileszko has passed 3 licensing exams: the Series 65, Series 7 and Series 24. The earliest, the Series 65, was passed in October 2017. FINRA credited Gayl Mileszko with the SIE, which began in October 2018.

Source: IAPD individual record, checked 23 October 2026

Where did Gayl Mileszko work before Herbert J. Sims Capital Management?

Before Herbert J. Sims Capital Management, Gayl Mileszko was registered through Braintree Capital Partners, LLC, November 2017 to November 2019.

Source: IAPD individual record, checked 23 October 2026

Where is Gayl Mileszko based?

Gayl Mileszko’s registered office is in Fairfield, CT.

Source: IAPD individual record, checked 23 October 2026

Is Gayl Mileszko registered with FINRA?

Yes. Gayl Mileszko has a current broker registration, under CRD 2488865.

Source: FINRA BrokerCheck

How can I verify Gayl Mileszko’s record?

Search CRD 2488865 on the SEC’s adviser search (adviserinfo.sec.gov) and FINRA’s broker search (brokercheck.finra.org), which publish Gayl Mileszko’s full registration record.

Source: IAPD individual record, checked 23 October 2026

Leadership at Herbert J. Sims Capital Management

Sources

  1. IAPD individual record, CRD 2488865, checked 23 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Herbert J. Sims Capital Management, Inc., filed 27 April 2026. Executive officers and direct owners; this person is not among them.