A distinguished leader in business ethics and public service, Quinn's career has been defined by his commitment to integrity and social responsibility

Throughout Quinn’s professional career he advised clients in labor and employment law, compliance, ethics, risk and conflict management, and dispute resolution. As vice president and chief business ethics officer at Prudential, he helped facilitate support for the Center for Business Ethics (now the Institute for Ethical Leadership) at Rutgers Business School. Before joining the corporate world, he had a distinguished public-sector career, working in roles at the state and federal levels. He was assistant dean and director of the Minority Student Program at Rutgers Law School in Newark and has served on many state and national boards, including the Rutgers University–Newark Advisory Board, where he was the inaugural chair.