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Brian Cheatham, portrait

Brian Cheatham

Chief Operating Officer at Diamond Client Group in The Woodlands, TX

Investment adviser registrationUpdated

Brian Cheatham is Chief Operating Officer of Diamond Client Group, LLC, an investment adviser managing $186M, and works from its The Woodlands, TX office. Brian Cheatham has been registered as an investment adviser representative through Diamond Client Group since 10 November 2021, has 7 years in the industry across 2 firms and has passed the Series 7, SIE and Series 66.

7
Years in industry
4
Years at firm
2
Adviser firms
2
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Brian Cheatham has been Chief Operating Officer of Diamond Client Group since August 2022, is a control person of the firm and directly owns under 5% of it. Brian Cheatham holds a B.A. in History from the University of North Texas.

Diamond Client Group, LLC is a The Woodlands, TX firm with $186M under management, 436 clients and 11 advisers across 2 offices, as of its March 2026 filing.

Brian Cheatham is Chief Operating Officer of Diamond Client Group, LLC. Cheatham joined the firm in 2018 as its Executive Assistant and was promoted to Chief Operating Officer in 2022. The role covers business operations, including the client service experience, the staff and advisory team, vendor relationships and technology.

Brian Cheatham’s longest registration is the current one, 5 years at Diamond Client Group since 2021. Before joining Diamond Client Group in 2021, Brian Cheatham was registered through MML Investors Services, LLC.

  1. – present · 5 years
    The Woodlands, TX · Adviser representative · Firm CRD 310570
  2. MML Investors Services, LLC
    – · 1 year
    The Woodlands, TX · Adviser representative · Firm CRD 10409

Credentials and registrations

Investment adviser representative registrations

Brian Cheatham is registered as an investment adviser representative in 2 states. Each was approved in November 2021.

  • LouisianaSince 16 November 2021
  • TexasSince 10 November 2021

Examinations

Series 6613 May 2019
Name
Uniform Combined State Law Examination
SIE3 January 2019
Name
Securities Industry Essentials Examination
Series 72 January 2019
Name
General Securities Representative Examination

Key facts

Full name
Brian Curtis Cheatham
CRD
6918524
Firm
Diamond Client Group · CRD 310570
Role
Chief Operating Officer
Office
9595 SIX PINES DRIVE, SUITE 6200, The Woodlands, TX 77380
Registration
Investment adviser registration
In the industry since
March 2019
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Brian Cheatham work?

Brian Cheatham has been Chief Operating Officer of Diamond Client Group, LLC since August 2022, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 21 March 2026

Is Brian Cheatham a financial advisor?

Yes. Brian Cheatham has a current investment-adviser registration in Louisiana and Texas, through Diamond Client Group since November 2021.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Brian Cheatham have?

Brian Cheatham has 7 years in the financial industry, since March 2019, across 2 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Brian Cheatham passed?

Brian Cheatham has passed 3 licensing exams: the Series 7, SIE and Series 66. The earliest, the Series 7, was passed in January 2019.

Source: IAPD individual record, checked 22 October 2026

Where did Brian Cheatham work before Diamond Client Group?

Before Diamond Client Group, Brian Cheatham was registered through MML Investors Services, LLC, July 2019 to December 2020.

Source: IAPD individual record, checked 22 October 2026

Where is Brian Cheatham based?

Brian Cheatham’s registered office is in The Woodlands, TX.

Source: IAPD individual record, checked 22 October 2026

Is Brian Cheatham registered with FINRA?

No. Brian Cheatham has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Brian Cheatham’s record?

Search CRD 6918524 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Brian Cheatham’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Diamond Client Group

Sources

  1. IAPD individual record, CRD 6918524, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Diamond Client Group, LLC, filed 21 March 2026. Title, control and ownership bands.
  3. Diamond Client Group team page. Biography, education, credentials, awards and the portrait, reproduced for identification.