Gregory W. Smith was named executive director at the $40 billion Colorado Public Employees' Retirement Association, Denver, confirmed spokeswoman Katie Kaufmanis.
Mr. Smith has been interim executive director since July.
He replaces Meredith Williams, who was named executive director of the National Council on Teacher Retirement in April.
Mr. Smith was the pension fund's chief operating officer and general counsel. Ms. Kaufmanis did not have details about his replacement in those roles.
Executive search firm Hudepohl and Associates assisted with the search.