Jeffrey Sack, Q.C. practices labour law and acts as a union nominee on interest arbitration boards. As a negotiator, Jeffrey has bargained with the government for physicians, and with hospitals for residents. As a union nominee on interest arbitration boards he has represented, among others, firefighters, police officers, college and university faculty, and health care support staff. As an adjunct professor, he lectures on international labour law at the University of Toronto and acts as Associate Editor of the Canadian Labour and Employment Law Journal.