Marc E. Chapdelaine is a founding partner of Chapdelaine, Ryan & Associates, established in 2023. Prior to this, he founded Chapdelaine Law Office in 2006, building a reputation for excellence in litigation and client advocacy. He earned his Juris Doctor from Syracuse University College of Law in 2002 and his Bachelor of Arts from Stonehill College in 1999. Admitted to practice law in Massachusetts in 2002, he was also admitted to the U.S. District Court, District of Massachusetts in 2003.

Attorney Chapdelaine focuses on civil litigation and trials, criminal defense, personal injury, medical malpractice, product liability, and catastrophic injury/wrongful death. He is a dedicated member of the Greater Lynn Bar Association, the Essex County Bar Association, and a life Fellow of the Massachusetts Bar Foundation.

His commitment to client service has been recognized with the prestigious Martindale-Hubbell Platinum Client Champion Award since 2017—an honor achieved by fewer than 1% of attorneys nationwide. This award, based on client reviews, reflects his dedication to providing outstanding legal representation.

Attorney Chapdelaine holds an AV Preeminent® Rating from Martindale-Hubbell, the highest peer-reviewed distinction awarded to attorneys for professional excellence, legal knowledge, analytical capabilities, judgment, communication, and ethical standards. This rating is held by fewer than 5% of attorneys nationwide.

In 2019, he was named a Fellow of the Litigation Counsel of America (LCA), an exclusive honorary society recognizing less than 0.5% of American lawyers for their excellence in litigation at both the trial and appellate levels.

Since 2009, Attorney Chapdelaine has been consistently recognized as a New England Super Lawyer and maintains a 10.0 “Top Attorney” rating on .

Beyond his legal practice, Attorney Chapdelaine is committed to community service. In 2017, he was honored with the Melvin Jones Fellowship from the Saugus Lions Club, where he has been an active member for over 18 years.

As a founding partner of Chapdelaine, Ryan & Associates, he continues to provide top-tier legal representation while fostering a firm dedicated to excellence, integrity, and client advocacy.