Arlen Pyenson, Counsel New York
Phone: +1 212.803.4057
590 Madison Avenue, 20th Floor
New York, NY 10022-2544

Arlen Pyenson is a counsel in Crowell & Moring's New York office and is a member of the International Dispute Resolution and White Collar & Regulatory Enforcement groups.

In the International Dispute Resolution group, her practice focuses on international commercial and investment arbitration. Arlen has represented parties in arbitrations under the rules of the International Chamber of Commerce (ICC), the International Centre for Dispute Resolution (ICDR), and the United Nations Commission on International Trade Law (UNCITRAL), involving various industries, including hospitality, beverage, and technology. Her experience includes disputes involving parties from Italy, Lithuania, the United States, the United Kingdom, Egypt, the United Arab Emirates, China, and South Korea.

Her practice in the White Collar & Regulatory Enforcement Group focuses on white collar criminal defense, securities enforcement investigations, corporate internal investigations, and complex civil litigation. Arlen has represented individuals and corporations in the course of investigations by the SEC, DOJ, FINRA, and other government agencies, involving allegations of Foreign Corrupt Practices Act violations, insider trading, market manipulation, manipulation of the LIBOR rate, and fraud relating to residential mortgage-backed securities. She has also defended individuals in both criminal and civil litigations, including allegations of environmental crimes and civil RICO violations.

Representative Engagements:

International Dispute Resolution:

  • Representing an Italian investor in an UNCITRAL arbitration against Lithuania, under the Italy-Lithuania BIT, relating to Lithuania's unfair and inequitable treatment of the investor's investment in the country's alcohol industry.
  • Representing an Italian wine manufacturer in an ICDR/AAA arbitration against its U.S. distributor, under New York law.
  • Representing a British soccer player in an arbitration in the Dispute Resolution Chamber of FIFA, in a dispute with an Egyptian soccer club.
  • Represented a Fortune 500 international hotel operating company in an ICC arbitration under United Arab Emirates law, relating to a dispute with owners of a U.A.E. hotel under a hotel management agreement.
  • Represented a U.S. distributor of audio-visual products in an ICC arbitration against claims of breach of a patent licensing agreement by a South Korean global electronics company, under New York law.

White Collar & Regulatory Enforcement:

  • Representing employee of financial institution in criminal and regulatory investigation of LIBOR-rate setting.
  • Representing pool of current and former employees of investment bank in connection with multiple regulatory and related civil matters concerning the sale of residential mortgage-backed securities (RMBS).
  • Representing public company in the course of internal, SEC, and DOJ investigations concerning allegations of Foreign Corrupt Practices Act violations.
  • Represented several registered broker-dealers in connection with various FINRA investigations related to insider trading and market manipulation and multiple SEC, FINRA, and DOJ enforcement inquiries.
  • Represented individual in DOJ/SEC investigation and parallel civil litigation alleging bribery, civil RICO, and FCPA violations.
  • Represented individual charged with federal felony environmental crimes.

While in law school, Arlen served as a judicial intern to the Honorable Theodore H. Katz, U.S. District Court Magistrate Judge in the Southern District of New York. She was selected to be a member of the Innocence Project clinic, where she represented individuals seeking post-conviction remedies based on DNA testing. Arlen was also selected as a teaching assistant in Cardozo's Lawyering Skills & Legal Writing Program and elected senior articles editor of the Cardozo Arts & Entertainment Law Journal. During the summer of 2008 she was a summer associate at the firm.  

Admitted to practice in New York and New Jersey, Arlen is a member of the American Bar Association Section of International Law International Arbitration Committee and the Section of Litigation Securities Litigation Committee, the New York State Bar Association, the Association of the Bar of the City of New York, the Young International Council for Commercial Arbitration (ICCA), ICDR Young & International, the Young International Arbitration Group, and the ICC Young Arbitrators Forum. She was honored by the New York State Bar Association as Empire State Counsel in 2010, 2011, and 2012 for her contributions to pro bono legal service.


Admitted to Practice: New York, New Jersey; U.S. District Court for the Southern and Eastern Districts of New York, U.S. District Court for the District of New Jersey


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