Adam N. Crosier

Operating from his office at Marzzacco Niven & Associates in Harrisburg, Pennsylvania, Adam N. Crosier has committed his practice to advocating for individuals navigating the complexities of workers’ compensation claims and Social Security Disability claims. As a Pennsylvania Supreme Court-certified specialist in workers’ compensation, he provides knowledgeable legal services to clients throughout the Harrisburg–Carlisle metropolitan area. Known for his reliability and dedication, he efficiently manages all facets of litigation, settlements and appeals, ensuring his clients receive the support they need.

Before pursuing his legal career, Mr. Crosier completed his undergraduate studies in history and anthropology at The Pennsylvania State University. He then proceeded to receive his Juris Doctor from Penn State Dickinson Law in 2005. During law school, he worked at the Berks County Public Defenders’ Office, where he was noted as a Miller Center Public Interest Advocate. Admitted to practice law in Pennsylvania, he is also authorized to appear before the U.S. District Courts for the Eastern and Middle Districts of Pennsylvania.

Following law school, Mr. Crosier served on the Pennsylvania Workers’ Compensation Appeals Board, drafting key opinions for commissioners on complex appealed cases. This foundational judicial experience provided him with deep insights into high-level appellate review and intricate injury regulations. Today, that insider background inspires a meticulous, strategic approach to client representation. By anticipating potential appeal arguments and understanding how claims are evaluated at the highest levels, he builds unshakeable, winning cases for injured workers.

Mr. Crosier deeply understands the turmoil families endure during workers’ compensation proceedings. Having witnessed these challenges firsthand through his own family's experiences with workers’ compensation and Social Security Disability, he brings profound empathy and relentless dedication to guiding every client through their legal journey. His undying commitment to providing high-quality counsel earned him recognition on the National Trial Lawyers Top 100 list.