With net assets of $25 billion, OPTrust invests and manages one of Canada's largest pension funds and administers the OPSEU Pension Plan (including OPTrust Select), a defined benefit plan with over 111,000 members.OPTrust was established to give plan members and the Government of Ontario an equal voice in the administration of the OPSEU Pension Plan and the management of the assets through joint trusteeship. OPTrust is governed by a 10-member Board of Trustees, five of whom are appointed by OPSEU and five by the Government of Ontario.