John O'Connor is a notable figure in the American judicial system, serving as a judge in the state of Oklahoma. He was appointed to the Oklahoma Court of Criminal Appeals in 2018, where he plays a crucial role in reviewing criminal cases and ensuring justice is upheld. Before his appointment, O'Connor had a distinguished career as a lawyer and served as the Oklahoma Attorney General. His legal experience and commitment to public service have made him a respected member of the judiciary, contributing to the development of legal standards in the state.