P: (212) 804-4221
F: (212) 344-8066

Barry Temkin


Barry Temkin is a partner at Mound Cotton Wollan & Greengrass LLP. His practice includes securities arbitration and litigation, commodities and securities regulation, legal ethics, professional liability defense, employment and commercial litigation. Mr. Temkin represents broker dealers, financial advisors, insurance brokers, financial firms and lawyers in litigation, arbitration and regulatory investigations.

Mr. Temkin is an adjunct professor at Fordham University School of Law, where he teaches courses on securities regulation and professional responsibility. As an Assistant District Attorney in Brooklyn, he tried dozens of jury cases and served as a Senior Trial Attorney in the Homicide Bureau. Mr. Temkin has published articles on securities law and attorney professionalism in the Georgetown Journal of Legal Ethics, The Securities Regulation Law Journal, Seattle University Law Review, Securities Arbitration Commentator, and the New York Law Journal. Mr. Temkin has been a member of the FINRA (Financial Industry Regulatory Authority) Board of Arbitrators since 1999, and served for ten years as co-chair of the New York Country Lawyers’ Association Professional Ethics Committee. Mr. Temkin has participated in panels on securities, commodities, professional liability and legal ethics at the New York State Bar Association, the New York County Lawyers’ Association, the Association of the Bar of the City of New York, the Practicing Law Institute, the Futures Industry Association  and The Defense Association of New York, along with numerous corporations and insurance companies. He has been quoted in the ABA Journal, the New York Law Journal, The Economist, The Wall Street Journal.com, Law360.com, The National Law Journal, Lawyers U.S.A. and other publications.   He is a graduate of the University of Pennsylvania Law School and the University of Rochester.


  • Adjunct Professor, Fordham University School of Law
  • Co-chair, New York County Lawyers’ Association Committee on Professional Ethics, 2006 - 2016; Member, 2001- present
  • Member, House of Delegates, New York State Bar Association
  • Member, Editorial Board of Oxford University Press, New York Rules of Professional Conduct
  • Member, Financial Industry Regulatory Authority (FINRA) Board of Arbitrators, 1999-present
  • New York County Lawyers' Association, Committee on Futures and Derivatives
  • Volunteer Attorney, Trial Lawyers Care, 2001-2004
  • Otto L. Walter Distinguished Writing Award, New York Law School, 2008


Speaking Engagements

  • National Society of Compliance Professionals
  • Futures Industry Association, Law and Compliance Division Conference on the Regulation of Futures, Derivatives and OTC Products
  • Futures and Derivatives Committee, New York County Lawyers’ Association, The Remaking of Wall Street
  • American Conference Institute, 2nd Annual Forum on LPL/Legal Malpractice, Departing Attorneys, Lateral Hires, and Their Impact on LPL: Risk Management and Policy Considerations for Carriers and Law Firms
  • Futures and Derivatives Committee, New York County Lawyers’ Association, Supervisory Liability Under the Commodity Exchange Act
  • New York City Bar, Everyday Ethical Challenges in the Practice of Law
  • New York State Trial Lawyers Institute: Ethical Issues for Solo and Small Firm Practitioners
  • Defense Association of New York: Conflicts For Retained Defense Lawyers
  • New York State Bar Association: Ethical Conflicts for Directors of Not-for-Profit-Corporations
  • New York City Bar, Judicial Elections: The Ethical and Practical Dilemmas They Pose for Practicing Lawyers
  • New  York County Lawyers’ Association, Ethical Issues in Internal Investigations


New York
New Jersey
United States District Court Eastern District of New York
United States District Court Southern District of New York
United States District Court for the District of Connecticut




B.A., magna cum laude, University of Rochester
J.D., University of Pennsylvania Law School