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William B Brentani
Lawyers profile
USA 2025
Lawyers profile | USA 2025: Capital Markets: Debt & Equity, Capital Markets: Debt & Equity: Western United States
William B Brentani
Ranked in 2 Practice Areas
1

Band 1

Capital Markets: Debt & Equity

California

13 Years Ranked

1

Band 1

Capital Markets: Debt & Equity: Western United States

USA - Nationwide

7 Years Ranked

Ranked in Guides
Global 2025

About

Provided by William B Brentani

USA

Practice Areas

Head of Simpson Thacher’s Palo Alto office and a member of the Firm’s Executive Committee, 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.

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

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.
Learn more about this team❖View ranking table

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

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.
View ranking table

Strengths

Provided by Chambers

Bill helps to make the process simpler.

Capital Markets: Debt & Equity respondent
Chambers Guide to the USA

Bill is our go-to person at the firm; he is very accessible.

Capital Markets: Debt & Equity respondent
Chambers Guide to the USA

Bill is fantastic; he is responsive and capable of doing really complex work.

Capital Markets: Debt & Equity respondent
Chambers Guide to the USA

Bill is a trusted partner and adviser who has guided us through several complex deals.

Capital Markets: Debt & Equity respondent
Chambers Guide to the USA

Bill helps to make the process simpler.

Capital Markets: Debt & Equity: Western United States respondent
Chambers Guide to the USA

Bill is a trusted partner and adviser who has guided us through several complex deals.

Capital Markets: Debt & Equity: Western United States respondent
Chambers Guide to the USA

Bill is our go-to person at the firm; he is very accessible.

Capital Markets: Debt & Equity: Western United States respondent
Chambers Guide to the USA

Bill is fantastic - he is responsive and capable of doing really complex work.

Capital Markets: Debt & Equity: Western United States respondent
Chambers Guide to the USA

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