 His tenure as leader ended at the leadership election held October 1, 2017, with the election of Jagmeet Singh as Mulcair's successor.In the days prior to the leadership vote, Mulcair confirmed his intention not to stand for parliament in the next federal election, expected in 2019, and suggested that he may resign his seat in the House of Commons as early as Christmas 2017 to accept one of the university appointments that has been offered to him.Following the October 1, 2017 election of Jagmeet Singh as NDP leader, Mulcair was appointed Energy Critic in the NDP's shadow cabinet.