Nathan S.Brownback

Of Counsel

Washington + 1.202.879.3476

Nathan Brownback's practice focuses on the regulation of domestic and foreign banks, with particular emphasis on regulations under the Dodd-Frank Act, including the Volcker Rule. He also advises on bank holding company regulations, bank affiliate transactions, merchant banking rules, state commercial lending and money transmitter licensing issues, and other legal issues relating to fintech and cryptocurrency firms.

Nathan has extensive experience advising on bank regulatory and investment activities involving the Bank Holding Company Act, Federal Deposit Insurance Act, and Federal Reserve Act and their implementing regulations as well as other federal and state banking and financial services laws, including those relating to brokered deposits and issues relating to digital assets firms. He also has advised clients on bank CD and credit union share certificate programs, federal funding received under COVID relief programs administered by the Treasury Department such as the CARES Act and the American Rescue Plan Act, as well as laws and compliance pertaining to the Commodity Exchange Act, Bank Secrecy Act, and the Investment Advisers Act.

Prior to receiving his law degree, Nathan was an economic research analyst, first in the private sector and subsequently for a regional Federal Reserve Bank.

Nathan has spoken on the Volcker Rule, international banks in the United States, and brokered deposits issues. He has written frequently on these topics and on issues relating to fintech, blockchain, and cryptoassets.


  • Westpac invests in KasistoJones Day advised Westpac Banking Corporation in relation to its investment in a New York-based conversational artificial intelligence industry leader, Kasisto, Inc.