Thaddeus has conducted internal investigations for international banks, airlines, accounting firms, publishing companies, and other private entities, acting at the behest of general counsel, management, audit committees, and boards of directors. These have stemmed from allegations of workplace misconduct, financial fraud, and violations of international sanctions, anti-money laundering (AML), and anti-bribery and corruption (ABC) laws, as well as Foreign Corrupt Practice Act (FCPA) violations. He has experience representing both corporate and individual clients in civil and criminal government enforcement actions, including actions brought by the United States Attorney’s Office, the Securities and Exchange Commission, and state attorneys general. He has also revised internal policies and procedures in compliance with federal and state laws, including industry best practices, to ensure clients can guard against future violations.
Thaddeus also has substantial experience working with court-appointed monitors and receivers, including serving as legal counsel and advising on AML, ABC, FCPA, Know Your Customer (KYC), regulatory compliance, and transaction monitoring subject matter issues and developments.
In his pro bono practice, among other things, Thaddeus has negotiated proffer immunity, witness immunity, plea agreements, and witness protection agreements in exchange for testimony for his clients with the Department of Justice and state prosecutors; represented tenants in NYC Housing Court; represented battered women in contested divorce proceedings; and helped asylum seekers and other immigrants navigate the U.S. Citizenship and Immigration Services (USCIS) process.