Meet the Attorneys
Gráinne O’Neill has dedicated her career to client-centered representation of people accused of federal felonies — including death-eligible clients and those charged in large racketeering conspiracies. She is one of very few defense attorneys to have won two jury trials in the Southern District of New York as lead counsel. A CJA Panel member in both the SDNY and EDNY, she brings a background in mathematics, computer science, and public defense to every case she touches.
Before founding the firm, Gráinne served as Staff Attorney and Technology Director at the Orleans Public Defenders, and as Project Director for the Charles Hamilton Houston Institute at Harvard Law School. She is faculty at the Cardozo Intensive Trial Advocacy Program and at Gideon’s Promise. She is a Super Lawyer, a mentor in the Eastern District of New York CJA Panel, and a longtime member of the New York State Association of Criminal Defense Lawyers.
Abi Hassen brings an extensive background in criminal defense, social movements, protest law, and organized labor to the firm. His work sits at the intersection of legal practice and political philosophy — interrogating how the law shapes and is shaped by movements for justice. He has represented clients in high-stakes federal criminal matters and is deeply committed to civil liberties defense.
In addition to his practice, Abi serves as a Visiting Assistant Professor at Penn State Dickinson Law, where he teaches in the areas of criminal law and civil liberties. His scholarship bridges political theory and legal practice in ways that directly inform his advocacy.