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Dennis Dumas, JD

Dennis Dumas, JD

Dennis Dumas, Esq., is a Bates Testifying Expert who is an accomplished securities attorney and industry executive with over 35 years of law firm and corporate legal experience across multiple industries including brokerage, banking, advisory and financial services. Mr. Dumas served as Managing Counsel, Securities and Capital Markets at Bank of New York Mellon, a Fortune 200 Company, and Senior Counsel at Pillsbury Winthrop, an international law firm ranked among the top 60 of the Am Law 100.  He also served as Attorney-Adviser for SEC Division of Enforcement in Washington, DC, and Special Assistant US Attorney for US Department of Justice.

Mr. Dumas has demonstrated accomplishments and experience in the following areas matters before the SEC, NYSE and FINRA, 33, 34 and 40 Act Regulation and Reporting, Institutional and Retail Compliance, Banking, Advisory and Broker-Dealer Regulatory matters, Trading and Markets, Corporate Finance, Corporate Governance, Contracts, Negotiations and Litigation.

Dennis is a consultant and subject matter expert in these Practice Areas and Services:



Bates Group LLC, Testifying Expert, 2023 – Present
Consultant, Financial Services, Lawrenceville, NJ, 2023 – Present         
Kroll LLC, Director, Financial Services Compliance and Regulation Consulting, New York, NY, 2021 – 2022  
Avanza Capital Markets, Inc. Group, President, General Counsel, Chief Compliance Officer, New York, NY, 2010 –2021
Bates Group LLC, Expert Witness, 2016 – 2021  
Capital Markets Consulting, Attorney, Chatham, NJ, 2007 – 2009                          
Chadbourne & Parke LLP, Counsel, New York, NY, 2004 – 2006                             
The Bank of New York Mellon (NYSE: BK), Managing Counsel, Securities and Capital Markets, New York, NY, 1996 - 2003
Pillsbury Winthrop Shaw Pittman LLP, Senior Associate, New York, NY, 1988 - 1996
US Securities and Exchange Commission, Attorney-Advisor, Division of Enforcement, Washington, D.C., 1984 - 1988
Lewis, Mitchell & Moore, Associate, Vienna, VA, 1982 - 1984; summer 1981


Juris Doctor (JD), Duke University School of Law, Durham, NC
Bachelor of Science (BS), Physics, Duke University Trinity College, Durham, NC


  • Bar Admissions; New York, Southern District of New York, Virginia, Eastern District of Virginia, New Jersey
  • FINRA Series 7, 24; licenses included General Securities Principal, Investment Banking Principal, Operations Professional and Compliance Officer


  • “The New York Department of Financial Services Announces New Enhanced AML Regulation,” Bates Compliance Solutions, Bates Group, LLC. July 2016
  • “DOL Fiduciary Rule Watch: The Importance of the Level Fee Exemption,” Industry News, Bates Group, LLC. June 2016
  • “DOL’s New Best Interest Contract Exemption,” Bates Research, Industry News, Bates Group, LLC. April 2016
  • “Electronic Records Retention: Getting It Right,” Compliance Week, November 2005
  • “Best Execution and Amended Regulation NMS,” Securities Litigation and Regulatory Enforcement Newswire, October 2005
  • “Variable Annuities: In the Regulatory Crosshairs,” Securities Litigation and Regulatory Enforcement Newswire, October 2005
  • “In My Opinion: Supervising Variable Annuities Sales,” Bank Investment Consultant, September 2004
  • “Targeting the Board: What’s their Liability for Risk Assessment?” Business Law Today, May-June 1997
  • “United States Anti-Fraud Jurisdiction over Transnational Securities Transactions: Merger of the ‘Conduct’ and ‘Effect’ Tests,” University of Pennsylvania Journal of International Business Law, Vol. 16, No. 4, 1996
  • “New SEC Rule Enforces Self-Regulatory Organization Qualification Standards,” Traders Magazine, June 1993
  • “New SEC Executive Compensation and Shareholder Communication Rules: Invitation for Controversy,” Directorship Significant Issues for 1993,” January 1993


“Avoiding Legal Malpractice and Breach of Fiduciary Duty:  Financial Services,” Developed Course Materials and Presented Topic at New York County Lawyers Association Continuing Legal Education Institute, February 2018