LAWYER PROFILE
Donald J Toumey

Donald J Toumey

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Sullivan & Cromwell LLP

Practice Areas

General Practice

Asia

Australia/New Zealand

Bank Regulatory

Broker-Dealer

Corporate Governance

Crisis Management

Economic Sanctions and Financial Crime

Financial Services

Financial Services Investigations & Litigation

Financial Services Mergers & Acquisitions

Career

Donald J. Toumey is a partner in the Firm’s General Practice/Corporate Law Group with a practice focused on banking, securities and financial institutions law. Mr. Toumey has advised on numerous major bank mergers and acquisitions, as well as bank acquisitions of investment management and investment banking firms. He has handled applications to, and requests for legal interpretations from, federal and state banking agencies for U.S. and non-U.S. banking organizations. He has extensive experience advising U.S. and non-U.S. banking organizations on banking and broker-dealer regulatory matters and on enforcement matters, including with respect to Bank Secrecy Act and Office of Foreign Assets Control issues. He also advises on securities offerings and disclosure matters involving U.S. and non-U.S. banking organizations.

Mr. Toumey is a former special assistant to the general counsel of the U.S. Department of the Treasury.

He is also a member of the Firm’s Diversity Committee.

Professional Memberships

ABA; Federalist Society; NYCBA.

Personal

Yale Law School (J.D., 1981); Williams College (B.A., 1978); Judicial clerk to The Honorable Walter R. Mansfield, United States Court of Appeals, Second Circuit (1981 - 1982).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Financial Services Regulation: Banking (Compliance) - USA - Nationwide

Band 4
Band 4

Individual Editorial
Donald Toumey stands out for his extensive expertise in US banking law. He regularly advises clients on the full spectrum of compliance matters, including regulatory challenges emerging from the Bank Secrecy Act and OFAC sanctions.

Strengths

Provided by Chambers

  • Donald is exceptional.

    Financial Services Regulation: Banking (Compliance)Chambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (144)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

What success is built on

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

Explore thought leadership