LAWYER PROFILE
Ari Zak

Ari Zak

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Simpson Thacher & Bartlett LLP

USA

Practice Areas

Ari M. Zak focuses his practice on the taxation of investment funds and their investors, in addition to general transactional matters involving clients in the financial services industry. He has deep experience with tax matters relating to various types of regulated fund structures, including interval funds, tender offer funds, listed closed-end funds, business development companies, mutual funds and exchange-traded funds. He also regularly advises on tax matters relating to private investment funds, including private equity, private credit and hedge funds. He routinely advises on tax aspects of structuring regulated funds and other products designed to provide retail and high net worth investors access to alternative asset classes, such as private equity, private credit, infrastructure, secondaries and liquid alternatives.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Tax - New York

Band 5
Band 5

Individual Editorial

Ari Zak is recognized for his expertise in funds taxation matters. He counts a number of large private equity firms and hedge funds among his clients.

Strengths

Provided by Chambers

  • Ari is an expert in the registered funds space.

    TaxChambers 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

What success is built on

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

Explore thought leadership