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Gregg Costa
Lawyers profile
USA 2026
Lawyers profile | USA 2026: Litigation: General Commercial, Litigation: White-Collar Crime & Government Investigations
Gregg Costa
Ranked in 2 Practice Areas
2

Band 2

Litigation: General Commercial

Texas: Houston & Surrounds

3 Years Ranked

3

Band 3

Litigation: White-Collar Crime & Government Investigations

Texas

2 Years Ranked

About

Provided by Gregg Costa

USA

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

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.

Learn more about this team❖View ranking table

Litigation: White-Collar Crime & Government Investigations - Texas

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.

Learn more about this team❖View ranking table

Strengths

Provided by Chambers

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

Litigation: General Commercial respondent
Chambers Guide to the USA

Gregg is an exceptional lawyer by all accounts. I have nothing but the utmost respect for his abilities.

Litigation: General Commercial respondent
Chambers Guide to the USA

He has an outstanding reputation.

Litigation: White-Collar Crime & Government Investigations respondent
Chambers Guide to the USA

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