Department profile
Simpson Thacher & Bartlett LLP

Corporate Governance

USA Guide 2026 : USA - Nationwide


Simpson Thacher & Bartlett LLP

Rankings

Chambers Review

Provided by Chambers

Corporate Governance - USA - Nationwide

Band 2

Band 2


What the Team is Known For

Simpson Thacher's public company advisory group offers strengths across the full gamut of corporate governance, board advisory and disclosure matters. The team is deeply skilled in advising on governance issues arising in shareholder activism, proxy contests, regulatory enforcement and transactional matters.

Work Highlights

Provided by Chambers

  • Simpson Thacher advised Hamilton Lane on governance and disclosure issues related to its strategic partnership with The Guardian Life Insurance Company.

Strengths

Provided by Chambers

  • Besides their expertise in the applicable areas of law, the attorneys are extremely responsive, always managing expectations in a practical way, and help come up with creative solutions to problems. STB lawyers have gone out of their way to learn specific aspects about not only our company's business, but also the specific key members of management and personalities at our company and on our board of directors, which stands out as particularly great on their part.

    Corporate Governance respondentUSA
  • Their responsiveness is unrivalled in my experience. I'm 100% certain they'll answer immediately. I've never been disappointed and the substance is top notch. they're at the cutting edge of corporate governance.

    Corporate Governance respondentUSA
  • The firm demonstrates a strong sense of ownership over matters and a clear commitment to supporting management and the board. Simpson Thacher has an exceptional understanding of the company’s business and a deep appreciation of the realities facing a publicly traded company, including regulatory pressures, investor expectations, market dynamics and board-level considerations.

    Corporate Governance respondentUSA
  • Expertise is a big factor for me in terms of why we choose a firm like Simpson Thacher. We tend to use them when we have high level, high visibility issues and it is important to have confidence in the answers a firm provides. Simpson has great bench strength when it comes to quality attorneys who are accustomed to handling those types of matters, and I trust their advice.

    Corporate Governance respondentUSA
  • STB's attorneys combine exceptional subject matter expertise in their respective legal areas with a strongly proactive approach together with genuine care and concern for the success and professional well-being of their clients. It is a practical, solutions-oriented firm that works as a partner with its clients.

    Corporate Governance respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 1Karen Hsu Kelley
    Band 1Karen Hsu Kelley

    Karen Hsu Kelley

    Karen Hsu Kelley is a highly sought-after corporate governance expert who acts for a number of leading national and international corporates, as well as growth companies, on a broad range of compliance, disclosure and public company advisory matters.

    • She brings a strong sense of ownership to matters and is highly effective at supporting senior management and the board, particularly on complex and time-sensitive governance and public company issues. She operates at the highest level of sophistication, combining deep technical expertise with excellent judgment across corporate governance, securities compliance, and significant financing and transactional matters.

      Corporate Governance respondentUSA
    • Karen is adept at navigating complex regulatory and market considerations and translating them into practical, actionable guidance for decision-makers. She has a nuanced understanding of the business, investor expectations, and market dynamics and her advice consistently reflects a forward-looking perspective and an ability to align legal strategy with broader business objectives.

      Corporate Governance respondentUSA
    • She's amazing. She's wonderful to work with, knows what she's doing and gives unflinching advice, even in high stakes situations. She knows corporate governance and gives the board confidence.

      Corporate Governance respondentUSA
    • I cannot say enough fantastic things about Karen. She is a superstar. She is an excellent lawyer, with sharp, commercially-aware judgment, and an incredibly trusted adviser, who is held in the highest regard by multiple members of the C-Suite.

      Corporate Governance respondentUSA
    • Karen is an expert. She is humble yet can speak or argue with forcefulness and confidence when appropriate. She understands our company and our people and our issues unique to us. She is friendly and easy to talk to, but provides practical, creative and meaningful advice. She's one of the best lawyers I've ever worked with in my career.

      Corporate Governance respondentUSA

Ranked Individuals at Simpson Thacher & Bartlett LLP (1)

USA - Nationwide

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