The
Ontario Teachers' Pension Plan Board (
OTPP; French:
Régime de retraite des enseignantes et des enseignants de l'Ontario or
RREO), is an independent organization responsible for administering defined-benefit pensions for
school teachers of the
Canadian province of
Ontario. The OTPP also invests the plan's
pension fund, and is one of the world’s largest institutional investors. The plan is a multi-employer pension plan, jointly sponsored by the
Government of Ontario and the
Ontario Teachers' Federation.