LAWYER PROFILE
Toby Chun

Toby Chun

USA 2026

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Ranked in 1 practice area

About

Provided by Simpson Thacher & Bartlett LLP

Practice Areas

Co-Head of the Firm’s Environmental Practice, Toby Chun has served as lead environmental counsel for many of his clients’ most environmentally challenging transactions. Toby’s practice focuses on managing the environmental aspects of a wide variety of corporate transactions, including mergers and acquisitions, capital markets offerings, acquisition financing, and real estate transactions. Drawing upon his experience working on numerous transactions spanning a diverse range of businesses and industries in the United States and around the world, Toby helps his clients achieve their business objectives by evaluating the environmental risks and liabilities associated with target companies and properties, working with environmental consultants to assess and appropriately contextualize known and potential liabilities, negotiating transaction documents on environmental terms consistent with his client’s goals, helping to optimize environmental insurance coverage, managing the resolution of environmental issues, and keeping abreast of the latest developments for emerging contaminants and other environmental topics.

Career

Rated AV Preeminent in Martindale-Hubbell; Recognized as a Leading Partner for Environment: Transactional in The Legal 500.

Professional Memberships

National Asian Pacific American Bar Association; APABA-DC; KABA-DC.

Personal

University of Chicago Law School, J.D.; Stanford University, M.S., Environmental Engineering and Science; Stanford University, B.S., Biological Sciences.

Teaching Experience: Lecturer, University of Chicago Law School, Environmental Transactions and Bankruptcy.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment: Mainly Transactional - District of Columbia

Band 1
Band 1

Individual Editorial
Toby Chun of Simpson Thacher & Bartlett handles the environmental issues arising in complex corporate and real estate transactions across an array of industries both in the USA and internationally.

Strengths

Provided by Chambers

  • Toby Chun leads an exquisite team and is the best environment, health and safety lawyer you can find.

    Environment: Mainly TransactionalChambers Guide to the USA
  • His deep expertise and proactive approach allow him to address complex environmental issues within high-stakes transactions effectively and deliver substantial value to clients.

    Environment: Mainly TransactionalChambers Guide to the USA

Ranked Individuals at Simpson Thacher & Bartlett LLP (156)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

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    Employee Benefits & Executive Compensation

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District of Columbia

Illinois

Massachusetts

New York

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