sentences:  In the course of his career he has supervised more than thirty doctoral dissertations, including those of political scientists Stefan Wolff, Katharine Adeney, Lori Thorlakson, Shelley Deane and Tristan James Mabry.In both his own writings and those with John McGarry, O'Leary has long backed consociationalism as a method of conflict management for Northern Ireland, and is supportive of the Good Friday Agreement.In this regard, Arend Lijphart has been a significant influence on O'Leary's work.