LAWYER PROFILE
William B Brentani

William B Brentani

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

Capital Markets: Debt & Equity: Western United States

USA - Nationwide

8 years ranked

About

Provided by Simpson Thacher & Bartlett LLP

USA

Practice Areas

Corporate Partner Bill Brentani’s practice focuses on corporate finance and general securities and corporate matters. Bill regularly advises issuers and underwriters on a wide range of capital market transactions, including initial public offerings (IPOs), follow-on equity and preferred stock (including PIPEs) offerings, and debt, equity-linked and high yield transactions. Bill also represents private equity sponsors in connection with acquisition financings and advises companies on corporate governance and securities law-related matters. He has worked on offerings involving issuers from a variety of industries, including technology, healthcare, real estate, retail, energy, transportation and entertainment. Bill serves as Co-Chair of the Firm’s Opinion Committee and is a prior Head of the Firm’s Palo Alto office and a former member of the Firm’s Executive Committee.

Career

Joined firm in 1989; Partner since 1999.

Personal

Tufts University (B.A., 1986); Boston University School of Law (J.D., 1989).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Capital Markets: Debt & Equity - California

Band 1
Band 1

Individual Editorial
Distinguished attorney William Brentani represents issuers, underwriters and private equity sponsors in a wide variety of debt and equity transactions. He is highly sought after for his expert counsel on transactions in diverse sectors, including healthcare, technology and retail.

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

Band 1
Band 1

Individual Editorial

Distinguished attorney William Brentani represents issuers, underwriters and private equity sponsors in a wide variety of debt and equity transactions. He is highly sought after for his expert counsel on transactions in diverse sectors, including healthcare, technology and retail.

Strengths

Provided by Chambers

  • He has a deep understanding of his clients and proactively gives a heads up when he sees an issue or challenge arising.

    Capital Markets: Debt & EquityChambers Guide to the USA
  • Bill is extraordinarily responsive and an incredibly practical advisor.

    Capital Markets: Debt & EquityChambers Guide to the USA
  • He has a deep understanding of his clients and proactively gives a heads-up when he sees an issue or challenge arising.

    Capital Markets: Debt & Equity: Western United StatesChambers Guide to the USA
  • Bill is extraordinarily responsive and an incredibly practical adviser.

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

Ranked Individuals at Simpson Thacher & Bartlett LLP (161)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

Illinois

Massachusetts

New York

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