Partner
Duane Morris LLP
Philadelphia, Pennsylvania
Litigation partner with focus on white-collar criminal defense, SEC enforcement defense, and complex business litigation.
Partner at Duane Morris LLP

Michael J. Rinaldi practices in the area of litigation with a focus on white-collar criminal defense, corporate and regulatory investigations, and complex business litigation.
Mr. Rinaldi routinely represents businesses, institutions, and individuals in matters involving the U.S. Department of Justice, the U.S. Securities and Exchange Commission, and other federal and state criminal and regulatory agencies. His practice includes defending clients in SEC investigations, civil enforcement actions, and administrative proceedings. He also represents a wide range of businesses and individuals in criminal and regulatory inquiries and counsels clients on matters involving the securities laws, international sanctions, anti money laundering (AML) rules, cryptocurrency and digital assets, alleged market manipulation, child exploitation and related reporting requirements, and professional conduct regulations. He leads internal investigations into alleged employee or executive misconduct.
Before joining Duane Morris, Mr. Rinaldi served as Deputy Chief of the Economic Crimes Unit of the U.S. Attorney’s Office for the Eastern District of Pennsylvania. In that position, Mr. Rinaldi investigated, prosecuted, and supervised the investigation and prosecution of financial crimes, including securities fraud, bank fraud, intellectual property crimes, money laundering, and child exploitation offenses. He has litigated all stages of criminal prosecutions, including through trial. Among his duties at the U.S. Attorney’s Office were co-chairing the Offices Money Laundering Working Group and serving on the Offices Coronavirus Task Force, both of which involved regular interactions with federal and state criminal and regulatory agencies. As Deputy Chief for Economic Crimes, Mr. Rinaldi supervised the Offices investigations and prosecutions related to Theft of Major Artwork and related offenses. Mr. Rinaldi also managed relationships with regulatory agencies, including the U.S. Securities and Exchange Commission, the Pennsylvania Department of Banking and Securities, and the Financial Industry Regulatory Authority.
Prior to his service at the U.S. Attorney’s Office, Mr. Rinaldi served as a trial attorney in the Securities and Financial Fraud Unit of the Fraud Section of the Criminal Division of the U.S. Department of Justice, investigating and litigating matters related to securities fraud, commodities fraud, procurement fraud, and insider trading. Before his work for the U.S. Department of Justice, Mr. Rinaldi was senior trial counsel at the U.S. Securities and Exchange Commission.
Mr. Rinaldi received his law degree from the University of Pennsylvania Law School and his undergraduate degree from Villanova University. He began his career by clerking for the Honorable Leo E. Strine, Jr., of the Delaware Court of Chancery. Mr. Rinaldi is a lecturer in law at the University of Pennsylvania Law School. Previously, Mr. Rinaldi served as an elected School Director in the Wallingford-Swarthmore School District, in Delaware County, Pennsylvania, and was appointed Treasurer of the School District.
Duane Morris LLP
Philadelphia, Pennsylvania
Litigation partner with focus on white-collar criminal defense, SEC enforcement defense, and complex business litigation.
University of Pennsylvania Law School
Greater Philadelphia Area, Pennsylvania
Adjunct faculty member teaching upper-level course on civil practice.
U.S. Attorney’s Office, Middle District of Pennsylvania
(appointed)Pennsylvania Middle District
Deputy Chief of the Economic Crimes Unit at the U.S. Attorney's Office for the Eastern District of Pennsylvania. Prosecute and supervise the prosecution of economic crimes, including securities fraud and bank fraud.
U.S. Department of Justice (DOJ), Criminal Division
(appointed)District of Columbia
Federal prosecutor in the Fraud Section, Securities and Financial Fraud Unit.
U.S. Securities and Exchange Commission, Greater Philadelphia Area
(appointed)Pennsylvania
Investigated and litigated a wide variety of federal securities law violations, including offering frauds, fraud by investment advisers, insider trading, and material misstatements in public filings. Experience includes serving as first chair at a nearly three-week-long jury trial, resulting in a verdict for the Commission on all counts and as to all defendants and nearly $70 million in monetary relief. In addition to federal court litigation, experience includes significant practice in the Commission's administrative tribunal, including through trial.
Wallingford-Swarthmore School District
Greater Philadelphia Area, Pennsylvania
Elected school board member in suburban school district in southeastern Pennsylvania; appointed by the board as Treasurer.
Drinker Biddle & Reath LLP
Greater Philadelphia Area, Pennsylvania
Significant trial experience, including as first chair at jury trial taken to verdict in federal district court. Diverse litigation practice in federal and state courts, and at the trial-court and appellate levels.
Arnold & Porter
Washington, D.C, Washington
Delaware Court of Chancery
(appointed)Delaware
Law clerk in Delaware trial court with jurisdiction over causes in equity.
Duane Morris Alert
February 2025
Co-author, "What the New Administration’s Increased Immigration Enforcement Means for Employers," Duane Morris Alert, February 25, 2025
Duane Morris Alert
February 2025
Co-author, "Executive Order Suspending Foreign Corrupt Practices Act Enforcement Signals New Enforcement Priorities," Duane Morris Alert, February 18, 2025
Wharton Healthcare Quarterly
July 2021
Co-author, “Affidavit: Healthcare and the Law — Hold the Phone: Telemedicine Subject to Increased Scrutiny by Enforcement Agencies,” Wharton Healthcare Quarterly, July 2021
Duane Morris Alert
April 2021
Co-author, “SEC Continues to Educate Investors About SPAC Enforcement Risks,” Duane Morris Alert, April 23, 2021
Duane Morris Fintech General Counsel Roundtable
November 2022
Speaker, “Regulatory/Sanctions and Cryptocurrency Litigation,” Duane Morris Fintech General Counsel Roundtable, Webinar, December 2, 2022