AttorneyDiane Marie Guillerman● 21 total views
DG

Diane Marie Guillerman

Guillerman Law Firm·Houston, TX·26 years licensed

Diane Marie Guillerman is a lawyer in Houston, TX who works for Guillerman Law Firm. Practice areas include Alternative Dispute Resolution, Appellate: Civil, Consumer. Licensed in Texas since 1999. Graduated from University of Houston in 1999.

Claim profileContact attorney
Law school
Class of 1999
Bar admission
1999
State Bar of TX · No. 24012749
Office
14119 Wickersham Ln
Houston, TX 77077
Disciplinary
None on record
Clean since admission
DG

Diane Marie Guillerman

Guillerman Law Firm
Houston, TX·26 years licensed
Claim profileContact attorney

Diane Marie Guillerman is a lawyer in Houston, TX who works for Guillerman Law Firm. Practice areas include Alternative Dispute Resolution, Appellate: Civil, Consumer. Licensed in Texas since 1999. Graduated from University of Houston in 1999.

Law school
Bar admission
1999
State Bar of TX · No. 24012749
Office
14119 Wickersham Ln
Houston, TX 77077
Disciplinary
None on record
Clean since admission
Career history

2 observed firms

Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.

  1. Guillerman Law FirmAS OF MAY 2023
    Private Law Practice ·
  2. Guillerman Law FirmAS OF APR 2026
    Private Law Practice · Houston, TX
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Alternative Dispute Resolution
  • Appellate: Civil
  • Consumer
  • Law Office Management
  • Litigation: Commercial
  • Wills-Trusts-Probate
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Last refreshed Apr 2026