The plan promoted from within to replace outgoing global head of private equity.
The commitments were made for pacing purposes.
The plan also retained two emerging market fixed-income managers.
The retirement association is considering the two asset classes to replace its commodities portfolio.
The increases are a result of a new asset allocation study.
The plan lost its senior investment officer last month.
The investment consultant will advise on two retirement plans.
The retirement system closed on a $75 million commitment to a European infrastructure strategy last month.
The cio has left the plan after two years in the position.
The search follows a new asset allocation that includes maiden targets to corporate credit and bank loans.