Mike is a trial lawyer who maintains a national practice focused on class action and whistleblower litigation. He serves on the firm's Management Committee and as chair of the Recruitment Committee.

As a litigator, Mike routinely plays a key role in some of the largest antitrust class actions in the country, including In re Delta Dental Antitrust LitigationIn re Automotive Parts Antitrust Litigation (more than $300 million in direct purchaser settlements), In re: Broiler Chicken Antitrust Litigation (more than $100 million in indirect purchaser settlements to date), and In re: Farm-Raised Salmon and Salmon Products Antitrust Litigation ($85 million in direct purchaser settlements).

Mike also helps whistleblowers expose fraudulent conduct that violates the False Claims Act, the Stark Law, and other federal and state laws. On behalf of his clients, he has filed whistleblower complaints with the SEC and the IRS and regularly assists the Department of Justice in investigating and litigating qui tam fraud cases across the country. He is currently leading a team of Preti attorneys and paralegals representing the whistleblower in United States and the State of Indiana ex rel. Thomas Fischer v. Community Health Network, Inc., et al., No. 1:14-cv-1215 (S.D. Ind.), in which certain of the whistleblower’s claims have settled for $345 million – the largest settlement for a case of this kind in United States history. Mike and the Preti team, along with co-counsel, continue to litigate a number of other claims in that case.

Locally, Mike defends businesses and not-for-profit organizations in commercial litigation and administrative proceedings throughout Maine, including by representing bidders in connection with the state procurement process. He also represents Maine healthcare provider organizations in connection with MaineCare and private insurer audits and administrative appeals involving the Maine Department of Health and Human Services.

Before joining Preti Flaherty, Mike practiced in the New York and Boston offices of WilmerHale LLP, an international law firm. He previously served as a Special Assistant District Attorney in the Middlesex District Attorney's Office in Massachusetts. During that time, he tried a variety of cases to juries and judges, including felony narcotics distribution, felony bank theft, and a domestic violence incident.

Mike's achievements for his clients have received national recognition from both Benchmark Litigation and Super Lawyers.

Mike grew up in Whitefield, Maine, and now lives in the Portland area.

Professional Activities

  • Cumberland Bar Association, Board Member and Past President
  • American Bar Association Antitrust Section, Member
  • Complex Litigation E-Discovery Forum, Participant

Honors & Recognition

Listed as Super Lawyers "New England Rising Star"  2015 - Present
Listed in Benchmark's "40 & Under Hot List" 2019 - Present

Civic and Charitable Activities

  • Maine Development Foundation, Leadership Maine (Omega Class)

Firm Highlights


Massachusetts High Court Issues Important Ruling Impacting Prompt Pay Act

Earlier today, the Massachusetts Supreme Judicial Court issued an order in the matter of Business Interiors Floor Covering Business Trust v. Graycor Construction Co. Inc. This decision presents the high court’s first ruling clarifying...


Solving Problems During the Construction Process

Understanding the variety of construction contracts available and the specifics of each is essential for protecting your project and legal interests. At this interactive Half Moon Seminars webinar, Preti Flaherty attorney John Cronan will...


Preti Flaherty Welcomes Trusts and Estates Attorney Dianne Ricardo to the Firm

Preti Flaherty is pleased to announce that Dianne Ricardo has joined the firm’s Trusts & Estates Practice Group. Based out of the firm’s Concord, New Hampshire office, Dianne focuses her practice on comprehensive estate...


Maine Becomes Seventh State to Enact Uniform Public Expression Protection Act (UPEPA)

Maine is now the latest state to enact the Uniform Public Expression Protection Act (UPEPA)—following New Jersey, Oregon (substantially similar), Utah, Hawaii, Kentucky, and Washington. UPEPA aims to provide a clear framework for the...


Preti’s Sig Schutz Recognized as Member of NHPR’s Pulitzer-Finalist Team

Preti First Amendment attorney Sig Schutz has been recognized as “a core member of the [NHPR] team” involved in a podcast honored as a Pulitzer Prize finalist in the audio journalism category.  The podcast...


Compliance for Two—What Employers Need to Know about the Newly Effective Final Regulation for the Pregnant Workers Fairness Act

On June 18, 2024 the final rule from the U.S. Equal Employment Opportunity Commission (EEOC) implementing the Pregnant Workers Fairness Act (PWFA) takes effect, clarifying employers' obligations under this landmark legislation. Effective since June 27...


Veto Day and Final Day of the 131st Legislature

The Legislature convened on Friday, May 10 th for Veto Day to take action on the six bills objected to by the Governor. As expected, all six vetoes were sustained by lawmakers allowing  Governor...


10 Preti Attorneys, 6 Practice Groups Honored in National Rankings

Ten Preti Flaherty attorneys and six practice groups have been selected by Chambers USA for inclusion in their premiere annual list of America’s leading lawyers. Preti is recognized for excellence in the practice areas...


Greg Hansel Named Top 25 Attorney of the Northeast Region by Attorney Intel

Preti Flaherty attorney Greg Hansel has been named one of the Top 25 Attorneys of the Northeast Region for 2024 by Attorney Intel . This year’s class of attorneys has been recognized for excelling...


Understanding the Impact of the FTC’s New Noncompete Ban on Your Construction Business

A few weeks ago, the Federal Trade Commission (“FTC”) attracted considerable media coverage when it issued its final rule banning noncompete agreements for workers in most circumstances and making existing noncompetes for the vast...