LAWYER PROFILE
Gregg Costa

Gregg Costa

USA 2026

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Ranked in 2 practice areas

About

Provided by Gibson, Dunn & Crutcher LLP

Practice Areas

Gregg Costa, a Global Co-Chair of Gibson Dunn’s Trials practice, handles high-profile disputes, including antitrust, securities, oil and gas, intellectual property, class action, and white-collar cases. He offers clients a unique perspective as a former federal trial and appellate judge. His broad experience—having handled complex civil and criminal matters, at trial and on appeal, as advocate and judge—allows him to offer clients invaluable skills and strategic insights.

Career

Before joining Gibson Dunn, Gregg spent a decade as a federal trial and appellate judge. He also previously served as a federal prosecutor in Houston, trying more than fifteen cases including the prosecution of Allen Stanford for orchestrating a multibillion dollar Ponzi scheme.

Personal

JD, University of Texas, 1999; BA, Dartmouth College, 1994.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: General Commercial - Texas: Houston & Surrounds

Band 2
Band 2

Individual Editorial

Gregg Costa is global cochair of Gibson, Dunn & Crutcher's trials practice group. He is skilled in a range of disputes, including class actions, bankruptcy matters and securities-related litigation.

Litigation: White-Collar Crime & Government Investigations - Texas

Band 3
Band 3

Individual Editorial

Gregg Costa is global co-chair of the trials practice group. He is skilled in representing clients in DOJ investigations and enforcement actions brought by state attorneys general.

Strengths

Provided by Chambers

  • Gregg is very good on his feet and is very charming.

    Litigation: General CommercialChambers Guide to the USA
  • Gregg is an exceptional lawyer by all accounts. I have nothing but the utmost respect for his abilities.

    Litigation: General CommercialChambers Guide to the USA
  • He has an outstanding reputation.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA

Ranked Individuals at Gibson, Dunn & Crutcher LLP (329)

California

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