Greg is a Director of the firm and co-chairs the Bankruptcy, Creditor’s Rights and Business Restructuring Practice Group.

He focuses a substantial portion of his practice on bankruptcy, creditor’s rights, commercial law and litigation. He regularly appears in the New Hampshire Bankruptcy Court and has been actively involved in some of the largest Chapter 11 cases filed in New Hampshire over the past decade. He has extensive experience in all aspects of the bankruptcy process, including stay relief, cash collateral usage, debtor-in-possession financing, lien avoidance, preference and fraudulent transfer litigation, asset sales, collateral auctions, valuations, plan negotiation, contests to confirmation, claims classification and voting disputes, objections to discharge, and third-party plans.

Greg also handles out-of-court workouts, loan modifications and collateral restructuring agreements, receiverships, replevin litigation, real estate foreclosures, secured party sales, and general commercial disputes. He frequently counsels lenders and institutional clients, providing timely and effective assistance with their most troublesome commercial and consumer loans.

He is a regular lecturer on bankruptcy and commercial litigation issues. Greg is an Adjunct Professor at the University of New Hampshire School of Law, where he teaches Bankruptcy Law and Practice.

Greg also frequently represents real estate professionals in connection with professional negligence and liability litigation, insurance claims, and coverage issues, professional ethics complaints, and professional fee and contract-related disputes.

Professional Activities

  • New Hampshire Bar Association
  • American Bankruptcy Institute

Honors & Recognition

  • Recognized by Best Lawyers in America

Civic and Charitable Activities

  • New Hampshire Legends of Hockey Board of Trustees, President, 2013-2015 
  • South Congregational Church Board of Trustees, 2010-2011

Firm Highlights


Understanding and Navigating the She-cession

New employment data shows that women are 1.8 times more likely to have left or lost their job due to COVID-19. Between remote schooling, daycare closures, and lost support systems, women have been forced...

Press Coverage

Maine Newspapers Challenge Rule Concealing Electronic Court Records

A Maine court committee in December established a 90-day blackout period rule on public access to newly filed electronic court records, a move which has been challenged by Maine's newspapers as a violation of the First Amendment. Paper...


Maine Workers' Comp Alert: Updates from the WCB February Monthly Business Meeting

The WCB met remotely on February 9, 2021, for its monthly business meeting. Following are some developments with respect to an appeal accepted by the Maine Supreme Court and claims related to Covid-19. COVID-Coded...


Racial Justice Fund Seeks Applications for Inaugural Round of Grants

The Maine Justice Foundation is pleased to announce the inaugural grant cycle for its Racial Justice Fund. The Foundation will accept applications for grants of up to $10,000 until the deadline on Wednesday, March...

Press Coverage

Maine blazes workplace trail with earned paid leave requirement

In March of 2019, Maine became the first state in the nation to adopt an earned paid leave law, meaning that for every 40 hours worked, an employee banks one hour of earned paid...


Preti Flaherty Partnership Announces Promotion of Moppin, Rideout, White to Partner

Preti Flaherty is pleased to announce that the firm’s partnership has named three new partners: Sara N. Moppin, Laura A. Rideout, and Emily T. White.  Each attorney stands out as a distinguished practitioner within...


From Augusta: A Legislative Update for HR Professionals

On March 13, 2020, Maine Senate President Troy Jackson and Speaker of the House Sara Gideon issued a joint statement to the 129th Maine Legislature signifying their intention to suspend the remainder of the...


The Role of the Additional Insured

Insurance is an important and effective tool for reducing and allocating risks. However, insurance terms can be confusing which may lead to a misunderstanding of a policy's protections, particularly when dealing with "named insureds,"...


Answering Employer COVID-19 Vaccination Questions

As COVID-19 vaccines become more readily available, employers are faced with big questions. Can we mandate vaccines for employees ? How do we manage a return to work ? Preti Flaherty's Peter Callaghan breaks...


From Concord: A Legislative Update for HR Professionals

As the COVID-19 pandemic continues, all legislative activities in the state of New Hampshire, with a couple of exceptions, will be handled remotely. Several employment-related bills will be considered and voted on during this...