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Michael Sitzman, portrait

Michael Sitzman

Investment adviser representative at Diamond Client Group

Investment adviser registrationUpdated

Michael Sitzman is an investment adviser representative at Diamond Client Group, LLC, a The Woodlands investment adviser managing $186M. Michael Sitzman has been registered through Diamond Client Group since 27 October 2021, has 20 years in the industry across 5 firms and has passed the Series 7 and Series 66.

20
Years in industry
4
Years at firm
5
Adviser firms
1
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Michael Sitzman has been an investment adviser representative at Diamond Client Group since October 2021, and is not listed among the firm’s executive officers or direct owners.

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.

Michael Sitzman works with clients at Diamond Client Group, LLC, guiding decisions intended to help create financial independence and to prepare future generations. Sitzman focuses on the specific needs uncovered by the firm's planning process.

Michael Sitzman’s longest registration was 5 years at MML Investors Services, LLC (2016–2021). Before joining Diamond Client Group in 2021, Michael Sitzman was registered through MML Investors Services, LLC and Park Avenue Securities LLC.

  1. – present · 4 years
    Adviser representative · Firm CRD 310570
  2. MML Investors Services, LLC
    – · 5 years
    Houston, TX · Adviser representative · Firm CRD 10409
  3. Park Avenue Securities LLC
    – · 4 years
    Houston, TX · Adviser representative · Firm CRD 46173
  4. Cambridge Investment Research Advisors, Inc.
    – · under a year
    Houston, TX · Adviser representative · Firm CRD 134139
  5. Ameriprise Financial Services, Inc.
    – · 4 years
    The Woodlands, TX · Adviser representative · Firm CRD 6363

Credentials and registrations

Investment adviser representative registrations

Michael Sitzman is registered as an investment adviser representative in Texas, since October 2021.

  • TexasSince 27 October 2021

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 663 November 2005
Name
Uniform Combined State Law Examination
Series 715 September 2005
Name
General Securities Representative Examination

Key facts

Full name
Michael Adam Sitzman
CRD
4967578
Firm
Diamond Client Group · CRD 310570
Registration
Investment adviser registration
In the industry since
April 2006
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Michael Sitzman work?

Michael Sitzman is an investment adviser representative registered through Diamond Client Group, LLC since October 2021, and is not listed among the firm’s executive officers or direct owners.

Source: IAPD individual record, checked 22 October 2026

Is Michael Sitzman a financial advisor?

Yes. Michael Sitzman has a current investment-adviser registration in Texas, through Diamond Client Group since October 2021.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Michael Sitzman have?

Michael Sitzman has 20 years in the financial industry, since April 2006, across 5 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Michael Sitzman passed?

Michael Sitzman has passed 2 licensing exams: the Series 7 and Series 66. The earliest, the Series 7, was passed in September 2005. FINRA credited Michael Sitzman with the SIE, which began in October 2018.

Source: IAPD individual record, checked 22 October 2026

Where did Michael Sitzman work before Diamond Client Group?

Before Diamond Client Group, Michael Sitzman was registered through MML Investors Services, LLC, April 2016 to October 2021; Park Avenue Securities LLC, October 2011 to March 2016; Cambridge Investment Research Advisors, Inc., November 2010 to April 2011; Ameriprise Financial Services, Inc., November 2005 to November 2010.

Source: IAPD individual record, checked 22 October 2026

Is Michael Sitzman registered with FINRA?

No. Michael Sitzman has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Michael Sitzman’s record?

Search CRD 4967578 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Michael Sitzman’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Diamond Client Group

Sources

  1. IAPD individual record, CRD 4967578, 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. Executive officers and direct owners; this person is not among them.
  3. Diamond Client Group team page. Biography, education, credentials, awards and the portrait, reproduced for identification.