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 Freeport, 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


46 Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2022, Including 3 “Lawyers of the Year”

Forty-six Preti Flaherty attorneys have been named to Best Lawyers in America 2022, including four “Ones to Watch” and three “Lawyer of the Year” recipients. Inclusion in Best Lawyers in America is considered a...


What to do When a Lender Receives a Notice from the Municipality that Mortgaged Property is Going to be Condemned or is in Violation of the Building Code?

Occasionally, a lender will be served a notice from a municipality alerting the lender that a mortgaged property has had unpermitted construction projects, or otherwise violates the municipal building code. The Maine Uniform Building...


Jonathan Piper elected to Portland Public Library Board of Trustees

Preti Flaherty is proud to announce that Jonathan Piper has been elected to serve on the Portland Public Library’s Board of Trustees. Jon has a long history of service to several local organizations including...


Preti Flaherty Welcomes Cameron Ferrante, Paola Maymi, and Anne Sedlack to the Firm

Preti Flaherty is pleased to announce the arrival of three new members to the firm: Cameron A. Ferrante, Paola A. Maymi, and Anne E. Sedlack. Cameron Ferrante is a graduate of Northeastern University School...


Attorney Joseph Donahue Selected by Peers as “Lawyer of the Year” in Best Lawyers in America 2022

Preti Flaherty attorney Joseph Donahue has been recognized in Best Lawyers in America 2022 as the “Lawyer of the Year” for the Augusta region in the field of Administrative/Regulatory Law. Inclusion in Best Lawyers...


New Maine Law Limits Employers’ Ability to Request Applicant Criminal History Information

Last month Governor Mills signed into law LD 1167, “An Act Relating to Fair Chance in Employment.” Maine joins a growing number of states in adopting a “ban-the-box” law that restricts employers’ ability to...


Legislative Alert: Maine Legislature Adjourns!

The First Special Session of the 130 th Legislature finally adjourned on Monday night, July 19 th . As many of you may remember, the First Regular Session ended in March 30th when the...


Health Coverage Incentives for Unvaccinated Employees

Employers wrestling with COVID-19 vaccination-reluctant employees have a lot on their plates. New federal mandates may require affirmative action but even without these new rules, the real problem is how to persuade your workers...


Understanding the New COVID-19 Vaccine Mandate for Healthcare Workers

Many Maine healthcare facilities were already in the process of evaluating, drafting, and implementing mandatory vaccine policies when the Maine Department of Heath and Human Services issued an Emergency Routine Technical Rule on the...

Press Coverage

The Maine Monitor Sues York County for Jail Call Records

On August 2, The Maine Monitor filed a lawsuit against York County, challenging the County's denial of reporter access to public records that may detail times it has recorded confidential conversations between defendants being held at the...