LAWYER PROFILE
Catherine M Clarkin

Catherine M Clarkin

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Capital Markets: Debt & Equity: Eastern United States

USA - Nationwide

7 years ranked

About

Provided by Sullivan & Cromwell LLP

USA

Practice Areas

Canada; Capital Markets; Commodities, Futures & Derivatives; Corporate Governance; Cybersecurity; Environmental, Social & Governance (ESG); Financial Services

Career

Co-head of S&C’s Capital Markets Group. Advises clients on a wide variety of capital market transactions across a broad range of industries. Has advised on many high-profile public and private offerings of equity and debt securities by U.S. and non-U.S. issuers, including IPOs, secondary offerings, complex debt issuances, liability management transactions and securities issued in connection with M&A and joint ventures. Regularly advises a broad range of clients on ongoing public company matters, including corporate governance, ESG, cybersecurity and disclosure matters.

Frequent speaker and author in the areas of securities law and ESG.

Personal

Catholic University Law School (J.D. 1995); American University (B.A. 1992).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Capital Markets: Debt & Equity: Eastern United States - USA - Nationwide

Band 3
Band 3

Individual Editorial

Co-head of the practice Catherine Clarkin is a skilled attorney with an excellent reputation for her transactional capabilities in capital markets.

Strengths

Provided by Chambers

  • Catherine is an exceptional lawyer. She is extremely responsive and truly a trusted adviser.

    Capital Markets: Debt & Equity: Eastern United StatesChambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (140)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

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