LisaMarie is a seasoned litigator with a robust complex commercial litigation practice. She has helped steer clients to successful resolutions in a variety of complex civil matters, and has a deep understanding of the litigation issues facing both public and private companies in a number of industries including, financial services, sports and entertainment, and health care.

LisaMarie frequently represents banks, broker-dealers, futures commission merchants, and industry executives in complex civil litigation, regulatory enforcement proceedings, and internal investigations involving securities, futures, derivatives, and employment related disputes. She regularly appears in state and federal court and before arbitration bodies such as FINRA, NFA, and JAMS on such matters. She also provides representation in class actions and regulatory investigations.

In addition to her litigation practice, LisaMarie conducts high-stakes internal investigations for companies. She has helped many clients investigate and respond to allegations of employer and employee misconduct, including issues relating to discrimination, harassment, trade secret theft, and unethical dealings. She also maintains an active employment practice, focusing mainly on restrictive covenants, compensation disputes, and employment discrimination and harassment claims.

Prior to joining Mintz, LisaMarie was an associate in the litigation department of another large law firm.

Representing a health care operator and landowner in a series of interrelated actions against a former business partner in Delaware Chancery Court.
Secured a defense award on all claims against one of the world’s largest commodity trading firms following an arbitration by a customer before the National Futures Association. Asserting claims of common law fraud, fraud under the Commodity Exchange Act, gross negligence, breach of contract, and breach of fiduciary duty, the customer claimed that it suffered millions of dollars in trading losses allegedly caused by the firm’s negligence in operating an electronic trading platform and related misrepresentations of the firm.
Representing an FCM in ongoing litigation with insurers over their denial of coverage for $141 million in losses caused by a rogue employee’s unlawful commodity futures trades.
Successfully conducted a high-profile internal investigation for national sports franchise relating to allegations by a former employee of bullying, discrimination, and harassment.
Successfully represented an employee subject to restrictive covenants who was seeking to join an alleged competitor.
Successfully defended a broker-dealer in a proceeding brought before FINRA by former employees who alleged they were owed millions of dollars in commission payments.
Representing a prominent investment bank and futures commission merchant in an investigation by the division of enforcement of the Commodity Futures Trading Commission regarding the purported failure to properly report certain swap data to the firm’s designated swap data repository.
Secured a defense award on all claims against one of the world’s largest commodity trading firms following an arbitration by a customer before the National Futures Association. Asserting claims of common law fraud, fraud under the Commodity Exchange Act, gross negligence, breach of contract, and breach of fiduciary duty, the customer claimed that it suffered millions of dollars in trading losses allegedly caused by the firm’s negligence in operating an electronic trading platform and related misrepresentations of the firm.
Representing an FCM in ongoing litigation with insurers over their denial of coverage for $141 million in losses caused by a rogue employee’s unlawful commodity futures trades.

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Preventing False Claims Act Retaliation Claims: What Every Company Should Know — EnforceMintz

January 20, 2026 | Article | By LisaMarie Collins, Ashley Markson, Natashia Tidwell

Discover how health care organizations can prevent False Claims Act (FCA) retaliation claims. Learn best practices for compliance programs, whistleblower risk management, documentation protocols, and legal privilege strategies to reduce FCA litigation exposure.

December 13, 2023 | Article

Sanctuary for Families is the leading provider and advocate for survivors of domestic abuse, sex trafficking, and related forms of gender violence. Last year alone, the organization provided vital support to over 7,200 adults and children facing adversity. Read more about Mintz's pro bono work with Sanctuary for Families.