Aryeh focuses his practice on cross-border investigations, financial crime and complex commercial disputes.
Aryeh has substantial experience counseling financial institutions, corporations and individuals through government and internal investigations involving allegations of bribery, fraud, market manipulation, tax offenses, money laundering and economic sanctions and export control violations. He has deep experience advising clients on financial crime risks and compliance, including in the context of cross-border transactions, and he has represented clients in a broad array of contexts, including before federal and state regulators, in mediation and in federal and state court.
Aryeh has significant experience representing disadvantaged individuals on a pro bono basis and serves as co-director of the US Pro Bono Committee.
Representing multiple Swiss financial institutions in connection with investigations by the US Department of Justice and the Internal Revenue Service of offshore tax fraud.
Representing eight Swiss banks in an unprecedented industry-wide settlement program with the US Department of Justice.
Advising major telecommunications companies and mobile network operators on the impact of US export controls restrictions and technology controls on global operations.
Advising private equity and investment firms on compliance with sanctions, export controls, anti-bribery and anti-money laundering rules in connection with acquisitions and investments, including developing and rolling out compliance programs and disclosing breaches to government regulators.
Representing a global financial institution in connection with alleged manipulation of currency markets, including regulatory inquiries from around the world including the US Department of Justice, the Commodity Futures Trading Commission, worldwide banking regulators, the UK Financial Conduct Authority and the New York Department of Financial Services.
Representing a global investment bank in multiple disputes over the sale of complex structured products to institutional investors who claim they were misled concerning the nature of the products.
Representing Citigroup in federal court in New York in a securities fraud action involving multiple transactions arising out of the sale of structured products and equity linked notes.