Ria practices with Preti Flaherty's Business Law Group in the firm's Portland office, representing corporate clients, including private equity firms, venture capital funds, emerging businesses, and privately and publicly held companies in a wide variety of industries. She focuses her practice on transactional and corporate governance matters, business structuring, mergers and acquisitions, commercial agreements, securities law, transactional and international tax, and regulatory compliance. Her experience includes advising clients with holdings in the United States, Europe, Africa, Asia, and the Middle East.

A graduate of the University of Virginia School of Law and the University of Washington, Ria also studied international relations and economics at the University of St. Andrews in Scotland for three years. Between undergrad and law school, Ria worked in public relations in the Seattle, Washington, area, including as part of the crisis management team for Microsoft’s Windows business group. Prior to joining Preti Flaherty, Ria practiced law for five years at notable firms in Boston, Connecticut, and Washington, DC.

Ria lives in Gardiner, Maine with her husband.

Professional Activities

  • Maine State Bar Association
  • Massachusetts State Bar Association
  • American Bar Association


  • “Sexton Opinion Further Restricts What Conduct Can Be Regulated Under ‘Practice’ Before the IRS,” ABA Tax Times, Vol. 36, No. 3, Spring 2017

Speaking Engagements

  • “Subpart F Income Tax: Its Scope and Application to US Shareholders” - ABA Tax Section, (Moderator, January 19, 2017)
  • “Ethical Issues in Federal Tax Practice: The Government Perspective” - ABA Tax Section, (Moderator, September 15, 2017)

Firm Highlights


Maine Supreme Court Affirms Decision in Workers’ Compensation Case Regarding Notice Requirements

In  Desgrosseilliers v. Auburn Sheet Metal  (2021 ME 63 [December 16, 2021]), the question presented is whether an employee is required to give notice of his occupational disease claim to his former employer’s insurer...


Preti Flaherty Attorneys Mariana Baron and Nelson Larkins Honored by Maine Supreme Judicial Court for Pro Bono Service

Preti Flaherty is pleased to announce that attorneys Mariana Baron and Nelson Larkins have been honored by the Katahdin Counsel Recognition Program for their 2021 contributions to pro bono legal aid in the state...

Press Coverage

Maine Newspapers Fight Anonymous Testimony in Lawsuit Challenging Vaccine Mandate

A group of newspapers in Portland, Lewiston, Augusta, and Waterville, represented by Preti Flaherty attorney Sigmund Schutz, have filed a motion in federal court requesting the identity of nine healthcare workers seeking religious exemption from the state's...


Preti Flaherty Partnership Announces Promotion to Partner of Kristin Collins and John Cronan, III

Preti Flaherty is pleased to announce that the firm’s partnership has named two new partners: Kristin M. Collins and John J. Cronan, III. Both attorneys stand out as distinguished practitioners within their respective fields...


What Do the Supreme Court's Vaccination Rulings Mean for Your Business?

Reflecting the deep rift in public opinion concerning the government’s role in dictating how businesses, health care entities and public sector employers ought to act to stem the spread of COVID-19, a divided U.S. Supreme...

Press Coverage

Preti Flaherty Attorneys Walker and Sedlack Provide Counsel in Portland Recount Battle

After two days, hours of discussions, reported discrepancies in voting machines, and a hand recount of ballots, Roberto Rodriguez emerged as the winner of Portland’s at-large city council election. The hotly contested race was the first ranked-choice...


Preti Flaherty Welcomes Attorney Jeffrey Thaler to the Firm

In a move that significantly expands its pioneering Climate Strategy Practice Group, Preti Flaherty Beliveau & Pachios, LLP is pleased to announce that it has hired Jeffrey Thaler, a leading climate and clean energy...


Preti Flaherty Attorney Sigmund D. Schutz Named to AAA Roster of Arbitrators

Preti Flaherty is pleased to announce that attorney Sigmund Schutz was recently named to the American Arbitration Association’s (AAA) Roster of Arbitrators. AAA is a not-for-profit organization in the field of alternative dispute resolution...


EPA Makes History With First-Ever Addition of Hazardous Air Pollutant

After a decade-long back-and-forth with states, NGOs and industry groups, the U.S. Environmental Protection Agency has finally announced that it will add a powerful dry cleaning solvent, 1-bromopropane, or “1-BP” to its list of...


Legislative Alert: Convening of the 2nd Regular Session of the 130th Legislature

The Second Regular Session of the 130 th Legislature will convene next Wednesday, January 5 th at 10 a.m. This is intended to be an in-person session of both the House and Senate with...