The plan committed a total of $15 million to two private equity managers this summer.
The firm also promoted a new head of global buyout fund investments.
They are responsible for deal origination and execution.
The firm hired another co-lead for the infrastructure strategy in February.
The leadership changes include a newly appointed president.
He will oversee expansion into corporate buyouts in the technology sector.
The search is open to primary, secondary, co-investment and direct funds.
The transaction closed on Sept. 30.
The plan has begun its search for a private equity consultant.
He previously served as a managing director at Marathon Asset Management.