Department profile
Cleary Gottlieb Steen & Hamilton LLP

Antitrust

USA Guide 2026 : District of Columbia

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Cleary Gottlieb Steen & Hamilton LLP

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About

Provided by Cleary Gottlieb Steen & Hamilton LLP

For more information about Cleary Gottlieb's Antitrust practice, please visit https://www.clearygottlieb.com/practice-landing/antitrust

Chambers Review

Provided by Chambers

Antitrust - District of Columbia

Band 1

What the Team is Known For

Cleary Gottlieb Steen & Hamilton LLP maintains its unmatched reputation for producing work of the very highest caliber, regularly advising blue-chip companies during their most important mergers and in high-stakes civil and criminal antitrust litigation. The cross-border capabilities of the broad and multi-talented roster of attorneys are complemented by expertise in European and global antitrust matters. Has household-name clients in industries including telecommunications, pharmaceutical and manufacturing.

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Work Highlights

Provided by Chambers

  • Cleary Gottlieb Steen & Hamilton LLP served as antitrust counsel to Tempur Sealy in their successful $5 billion acquisition of Mattress Firm Group.

Strengths

Provided by Chambers

  • Cleary takes a thoughtful and informed approach. They have incredible experience and leverage it to our benefit. The team is excellent with broad and deep experience in all areas, as well as industry-specific experience.

    Antitrust respondentUSA

  • The Cleary antitrust team consistently provide high levels of advice on a timely basis, demonstrating a large and sophisticated practice group. They have a unified global reach and quickly and efficiently provide advice on a wide variety of deal-related competition and antitrust issues.

    Antitrust respondentUSA

  • Cleary's antitrust team stands out for its exceptional technical quality and deep substantive command of antitrust law, consistently delivering precise and rigorous analyzes aligned with the highest international standards.

    Antitrust respondentUSA

  • They are top-tier, pragmatic and strategic.

    Antitrust respondentUSA

  • Cleary Gottlieb’s antitrust team has a combination of deep expertise, practical judgment and exceptional strategic insight.

    Antitrust respondentUSA

Notable Practitioners

Provided by Chambers

  • George S Cary
    George S Cary

    George S Cary

    George Cary is a preeminent antitrust lawyer esteemed for his work securing clearance for the largest of corporate transactions. He also handles high-stakes litigation defense work for household-name clients.

    • George is a seasoned veteran in antitrust.

      Antitrust respondentUSA
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  • David I Gelfand
    David I Gelfand

    David I Gelfand

    David Gelfand is renowned in the market for his skills in the antitrust field, where he is chiefly known for managing the antitrust elements of high-profile M&A. He is further noted for his excellence in class and competitor action litigation.

    • David brings great government expertise and knowledge. He is immensely respected and stands out as extraordinary.

      Antitrust respondentUSA

    • David is a brilliant and creative lawyer.

      Antitrust respondentUSA

    • Dave is an eminent practitioner in the market.

      Antitrust respondentUSA
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  • Leah Brannon
    Leah Brannon

    Leah Brannon

    Leah Brannon is a well-rounded antitrust practitioner noted for her work across transactional and contentious matters. She deftly manages the merger review process for large cross-border deals. She also steers clients through FTC and DOJ investigations and significant class and individual action litigation.

    • Leah is an outstanding lawyer with great knowledge of antitrust.

      Antitrust respondentUSA

    • Leah is a go-to lawyer for all big and important strategic M&A.

      Antitrust respondentUSA

    • Leah always provides a timely and robust analysis of issues.

      Antitrust respondentUSA
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  • Brian Byrne
    Brian Byrne

    Brian Byrne

    Brian Byrne is commended for his expertise in cross-border transactional clearance before US and EU competition agencies. He also handles civil and criminal investigations and enforcement proceedings.

    • Brian is knowledgeable, assertive and very good at strategizing.

      Antitrust respondentUSA

    • Brian provides candid advice on complex issues with an understanding of the jurisdictions beyond the US.

      Antitrust respondentUSA

    • Brian is a smart and strong lawyer who advocates effectively for his clients.

      Antitrust respondentUSA

    • Brian combines exceptional technical command with a uniquely calm and solution-oriented approach, even in the most time-sensitive or high-pressure situations.

      Antitrust respondentUSA
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  • Bruce Hoffman
    Bruce Hoffman

    Bruce Hoffman

    Bruce Hoffman is a respected attorney commended for his extensive experience in the antitrust space. His clients benefit from his former position as Director of the FTC's Bureau of Competition.

    • Bruce has real encyclopedic knowledge and great agency experience. He is a great go-to for the most difficult questions.

      Antitrust respondentUSA

    • Bruce's connections give him a uniquely informed perspective. He translates complex issues into clear, actionable guidance. His advice is pragmatic and he consistently provides solutions that balance legal rigor with real-world business considerations.

      Antitrust respondentUSA
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  • Jeremy Calsyn
    Jeremy Calsyn

    Jeremy Calsyn

    Jeremy Calsyn is well known in the market for his representation of multinational companies in antitrust litigation and merger proceedings. He is particularly expert in defense of price-fixing allegations.

    • Jeremy is very practical, efficient and strategic. He gets great results.

      Antitrust respondentUSA

    • Jeremy is incredibly responsive and commercial. He understands that we are looking for a path forward and helps us understand our options.

      Antitrust respondentUSA

    • Jeremy is incredibly smart and practical. He is willing to take positions and stand behind them. He knows the law and agencies.

      Antitrust respondentUSA

    • Jeremy is really someone who can do it all.

      Antitrust respondentUSA
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  • Ryan Shores
    Ryan Shores

    Ryan Shores

    Ryan Shores is an antitrust attorney with noted expertise across both litigation and transactional matters. He has extensive experience taking cases to trial.

    • Ryan is just phenomenal. He has great government experience.

      Antitrust respondentUSA

    • Ryan is a talented trial lawyer.

      Antitrust respondentUSA

    • Ryan has strong communication skills.

      Antitrust respondentUSA

    • Ryan is a go-to antitrust lawyer for advisory and litigation work.

      Antitrust respondentUSA

    • Ryan Shores is a thoughtful and excellent litigator.

      Antitrust respondentUSA
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  • Daniel P Culley
    Daniel P Culley

    Daniel P Culley

    Daniel Culley boasts expertise on cross-border M&A deals, with a particular knowledge of EU regulations. He is also able to advise on complex antitrust litigation.

    • Daniel is thoughtful and very responsive.

      Antitrust respondentUSA

    • Daniel is so fast and efficient. He is really bright and is able to see through issues and grasp concepts very quickly.

      Antitrust respondentUSA

    • Daniel is an excellent and trusted adviser.

      Antitrust respondentUSA

    • Daniel is strong and well-prepared. He does a good job understanding our business.

      Antitrust respondentUSA
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  • Elaine Ewing
    Elaine Ewing

    Elaine Ewing

    Elaine Ewing is an accomplished attorney who advises clients on the antitrust aspects of significant transactions. She also turns her hand to civil and criminal antitrust investigations and litigation.

    • Elaine is one of the most responsive lawyers I know and has truly comprehensive knowledge of antitrust.

      Antitrust respondentUSA
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  • Kenneth Reinker
    Kenneth Reinker

    Kenneth Reinker

    Kenneth Reinker is an antitrust attorney with marked experience across both litigation and transactional support matters. He is particularly noted for his representation of pharmaceutical clients.

    • Ken is really confident and gives really accurate assessments of success and risk.

      Antitrust respondentUSA

    • Ken is quick and understands complex scientific concepts with ease. He provides effective plain language counseling that is easy to implement.

      Antitrust respondentUSA

    • Ken has a high degree of expertise and knowledge in our industry. He quickly gets up to speed with our business. He has a unique ability to digest the complexity and translate into a pragmatic antitrust opinion.

      Antitrust respondentUSA
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Ranked Individuals at Cleary Gottlieb Steen & Hamilton LLP (10)

District of Columbia

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