Tristan represents individuals and companies facing litigation. He appears in state and federal courts as well as before various administrative and municipal boards. Tristan regularly litigates contract disputes, employment agreements, including non-solicitation and non-compete covenants, real estate and land use issues, consumer protection actions brought pursuant to Chapter 93A, and abuse prevention hearings (commonly known as restraining orders). He also represents contractors and landowners in disputes involving real estate development and landlord/tenant disputes. Tristan defends attorneys charged with ethical violations by the Office of Bar Counsel, and routinely litigates matters dealing with the Massachusetts public records law, open meeting law, and conflict of interest law.

In addition to his civil litigation practice, Tristan represents indigent defendants appealing their criminal convictions as a member of the CPCS Post Convictions and Appeals Unit. At the trial level, Tristan represents criminal defendants at pre-trial bail hearings and those facing potential charges at clerk-magistrate hearings, successfully arguing for the dismissal of charges against his clients accused of disturbing the peace, keeping a noisy house, and hosting gatherings where minors consumed alcohol.

Immediately after law school Tristan clerked in the United States District Court in Puerto Rico for then-United States District Judge Gustavo A. Gelpí. Judge Gelpí has since been elevated to serve as Judge for the United States Court of Appeals for the First Circuit. Tristan’s extended family reside in Puerto Rico, as do many of his professional contacts. Tristan is admitted to practice in the federal court in Puerto Rico and is well situated to assist parties bringing or defending suits in federal court in Puerto Rico.