LAWYER PROFILE
Brienne Letourneau

Brienne Letourneau

USA 2026

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Sidley Austin LLP
 Sidley Austin LLP

Ranked in 1 practice area

Litigation: General Commercial

Illinois

2 years ranked

About

Provided by Sidley Austin LLP

USA

Practice Areas

BRIENNE LETOURNEAU is a skilled litigator who handles high-risk class actions, complex business disputes, and other critical matters for businesses and institutions. She serves public and private companies in various sectors, such as consumer goods, financial services, wealth management, and higher education, as well as directors, officers, trustees, and other individual and corporate fiduciaries. Brienne combines strategic thinking, creativity, and client service to deliver results that meet her clients’ legal needs and help them achieve their business objectives. Brienne has achieved favorable outcomes for her clients in state and federal courts and arbitral tribunals across the country — from pre-litigation negotiation to winning dispositive motions, trials and appeals.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: General Commercial - Illinois

Up and Coming
Individual Editorial

Brienne Letourneau is noted for her experience representing clients in a range of complex litigation, such as class action defense and contractual disputes.

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Strengths

Provided by Chambers

  • Brienne is a wonderfully talented litigation attorney. She is highly intelligent, very committed to her client's interests and works remarkably well as a team player.

    Litigation: General CommercialChambers Guide to the USA

  • She brings together intelligence, thoughtfulness and a high level of professionalism and responsiveness.

    Litigation: General CommercialChambers Guide to the USA

  • Brienne is a really strong trial lawyer. She is responsive, communicates well with clients and has a great presence in the courtroom.

    Litigation: General CommercialChambers Guide to the USA

  • She is very good at really digging in and understanding what is driving the business and she gives her advice accordingly.

    Litigation: General CommercialChambers Guide to the USA

  • Brienne is an all-star lawyer. I would trust her with my high profile cases to deliver great work product and legal advice.

    Litigation: General CommercialChambers Guide to the USA

Ranked Individuals at Sidley Austin LLP (379)

California

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