MW
Mark D. Winnubst
Mark D. Winnubst is a lawyer in Richardson, TX who works for Sheils Winnubst P.C.. Practice areas include Alternative Dispute Resolution, Appellate: Civil, Bankruptcy. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern Bankruptcy Court. Licensed in Texas since 1989. Graduated from University of Notre Dame in 1989.
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Office
Disciplinary
MW
Mark D. Winnubst
Sheils Winnubst P.C.Richardson, TX·36 years licensed
Claim profileContact attorney
Mark D. Winnubst is a lawyer in Richardson, TX who works for Sheils Winnubst P.C.. Practice areas include Alternative Dispute Resolution, Appellate: Civil, Bankruptcy. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern Bankruptcy Court. Licensed in Texas since 1989. Graduated from University of Notre Dame in 1989.
Law school
University of Notre Dame
Class of 1989
Bar admission
1989
State Bar of TX · #21781200
Office
1701 N Collins Blvd Ste 1100
Richardson, TX 75080
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice, courts & credentials
Practice areas13 listed
Alternative Dispute ResolutionAppellate: CivilBankruptcyBusinessConsumerCreditor-DebtorFamilyGovernment/AdministrativeLGBT LawLitigation: CommercialOtherReal EstateWills-Trusts-Probate
Courts admitted6 total
Fifth Circuit Court of Appeals
Texas Eastern Bankruptcy Court
Texas Eastern District Court
Texas Northern Bankruptcy Court
Texas Northern District Court
Texas Southern District/Bankruptcy Court
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Last refreshed Aug 2026