Department profile
Simpson Thacher & Bartlett LLP

Environment: Mainly Transactional

USA Guide 2026 : District of Columbia


Simpson Thacher & Bartlett LLP

Rankings

Chambers Review

Provided by Chambers

Environment: Mainly Transactional - District of Columbia

Band 2

Band 2


What the Team is Known For

Simpson Thatcher & Bartlett has excellent capacity to effectively handle the range of complex environmental issues that arise in transactions. The team is regularly seen supporting banking, private equity, asset management and financial institutional clients on environmental due diligence and regulatory concerns, including in high-value mergers and acquisitions.

Work Highlights

Provided by Chambers

  • Simpson Thatcher & Bartlett advised KKR on its entry into a definitive agreement with Brookfield Infrastructure Partners to sell 23.4% of its interest in Colonial Pipeline.

Strengths

Provided by Chambers

  • We trust Simpson Thatcher in particular for its ability to take very complicated global transactions that are very large in scale and have complex regulatory dynamics.

    Environment: Mainly Transactional respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 1Toby Chun
    Band 1Toby Chun

    Toby Chun

    Toby Chun of Simpson Thacher & Bartlett handles the environmental issues arising in complex corporate and real estate transactions across an array of industries both in the USA and internationally.
    • Toby Chun leads an exquisite team and is the best environment, health and safety lawyer you can find.

      Environment: Mainly Transactional respondentUSA
    • His deep expertise and proactive approach allow him to address complex environmental issues within high-stakes transactions effectively and deliver substantial value to clients.

      Environment: Mainly Transactional respondentUSA
  • Band 3Carleigh Rodriguez
    Band 3Carleigh Rodriguez

    Carleigh Rodriguez

    Carleigh Rodriguez is co-head of the Simpson Thatcher environmental practice. Owing to her strength advising clients on the environmental aspects of commercial transactions, her expertise is well regarded among corporate and private equity clients.

    • Carleigh Rodriguez is very talented, has broad breadth of knowledge and a real science background. She's a future star.

      Environment: Mainly Transactional respondentUSA

Ranked Individuals at Simpson Thacher & Bartlett LLP (2)

District of Columbia

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