About

Christopher O'Brien is a dedicated attorney based in Boston, MA, at the Law Office of Matthew W. Peterson, where he specializes in Employment Law, General Practice, Immigration, Insurance, Investigations, and Tax. With a robust background in complex litigation, Christopher has consistently demonstrated a deep commitment to justice throughout his legal career. Before joining the Law Office of Matthew W. Peterson as Senior Trial Counsel, he served as the Managing Attorney in the Criminal Bureau’s Insurance and Unemployment Fraud Division. In this role, he not only managed high-stakes grand jury investigations into intricate white-collar crimes—including embezzlement, money laundering, and identity theft—but also trained fellow prosecutors, enhancing their abilities to navigate complex legal challenges. Christopher's legal journey began as an Assistant County Attorney in Rockingham County, New Hampshire, where he prosecuted a diverse array of cases, including narcotics offenses and violent crimes. This experience honed his litigation skills and provided him with a profound understanding of criminal law's complexities. Additionally, Christopher spent six years as a tax consultant specializing in multistate corporate transaction taxes, particularly in sales and use tax issues. This early experience equips him with a unique perspective on financial and regulatory matters, which he effectively applies in his current practice. With a wealth of courtroom experience and a strong work ethic, Christopher O'Brien approaches each case with dedication and intensity, thriving on the legal challenges that come his way. His passion for mentorship and commitment to excellence make him a valuable asset to both clients and colleagues alike.

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