Sullivan & Cromwell LLP

Donald J Toumey

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Practice Areas

Financial institutions, M&A, regulatory, enforcement, corporate governance.

Professional Memberships

ABA; Federalist Society; LeGaL; NYCBA.


Practice focused on banking, securities and financial institutions law. Has handled numerous applications to federal banking agencies as well as securities offerings for U.S. and non-U.S. banks. Extensive experience advising on banking and broker-dealer regulatory and enforcement matters, including with respect to the Volcker Rule and AML/BSA and OFAC issues. Has advised on numerous major bank mergers and acquisitions, as well as bank acquisitions of investment management and investment banking firms.


Yale Law School (JD, 1981); Williams College (BA, 1978).