Aug 26 (Reuters) - Ontario Teachers' Pension Plan:
* ONTARIO TEACHERS' CONGRATULATES COO ROSEMARIE MCCLEAN ON BEING APPOINTED CEO OF THE UNITED NATIONS JOINT STAFF PENSION FUND
* ONTARIO TEACHERS' PENSION PLAN - ROSEMARIE MCCLEAN, COO, ENTERPRISE OPERATIONS, IS LEAVING TO BECOME CEO OF UNITED NATIONS JOINT STAFF PENSION FUND