LAWYER PROFILE
William B Brentani

William B Brentani

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Capital Markets: Debt & Equity: Western United States

USA

7 years ranked

About

Provided by Simpson Thacher & Bartlett LLP

Global

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 Global Guide

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

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

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

    Capital Markets: Debt & Equity: Western United StatesChambers Global Guide
  • Bill is our go-to person at the firm; he is very accessible.

    Capital Markets: Debt & Equity: Western United StatesChambers Global Guide
  • Bill is fantastic - he is responsive and capable of doing really complex work.

    Capital Markets: Debt & Equity: Western United StatesChambers Global Guide
  • Bill helps to make the process simpler.

    Capital Markets: Debt & Equity: Western United StatesChambers Global Guide

Ranked Individuals at Simpson Thacher & Bartlett LLP (111)

Belgium

Brazil

China

Japan

Latin America - International Counsel

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership