Arthur D. Middlemiss practices in the area of financial crimes compliance. Mr. Middlemiss focuses on providing strategic counsel to foreign and domestic entities seeking to mitigate regulatory, criminal and reputational risk in the areas of anti-money laundering (AML), anti-bribery and corruption (ABC) and economic sanctions. Mr. Middlemiss has represented individuals and corporations in criminal investigations, investigated alleged violations of the Foreign Corrupt Practices Act, and advised financial and other companies with respect to best practices in the fields of AML and ABC compliance. He has served multiple times as an AML expert for the Financial Industry Regulatory Authority (FINRA).

Prior to joining the firm, Mr. Middlemiss was the Director of the Global Anti-Corruption Program at JPMorgan Chase & Co, responsible for designing and executing an enterprise-wide compliance program to mitigate corruption-related risk. Mr. Middlemiss also held multiple senior positions in the bank’s Anti-Money Laundering Program. Among them, Mr. Middlemiss headed the firm’s Financial Intelligence Unit, a group formed to develop strategies to identify and confront proactively emergent money laundering-related risk, including that posed by human trafficking.

Professional Affiliations

  • Morgenthau Alumni Group
  • New York City Bar Association


  • Managing Director, JPMorgan Chase & Co.
  • Bureau Chief, New York County District Attorney’s Office

Representative Matters

  • Represented a former high-ranking executive of one of the world’s largest firms in a Foreign Corrupt Practices Act investigation by the DOJ and SEC
  • Represented an international telecommunications company with respect to anti-bribery and corruption compliance best practices
  • Represented an investment bank with respect to anti-money laundering compliance best practices
  • Represented an international trade association with respect to FinCEN’s anti-money laundering guidance related to virtual currencies
  • Represented a large video-game company with respect to potential application of FinCEN’s money laundering guidance related to virtual currencies
  • Represented a company with respect to a state investigation of the construction industry in New York City
  • Represented employees of an audit firm with respect to a state financial fraud investigation
  • Represented a hedge fund to conduct anti-money laundering compliance-related due diligence on a potential portfolio-company investment
  • Represented a foreign bank with respect to anti-money laundering compliance best practices and expanding its U.S. banking relationships  

Publications & Events

In the News


  • Boston University School of Law (J.D. 1994)
  • Lafayette College (B.A. 1991)

Bar Admissions

  • New York
  • U.S. District Courts for the Southern District of New York and the Eastern District of New York