Iowa Public Employees' Retirement System, Des Moines, hired Gabriel, Roeder, Smith & Co. to perform actuarial audit services for the $34 billion pension fund.
Pending successful contract negotiations, the firm will perform an independent actuarial audit and evaluation of actuarial services provided to IPERS by its current actuarial consultant, Cavanaugh Macdonald Consulting.
The original RFP was issued in September.
Bolton Partners, Cheiron, Foster & Foster, Milliman and Segal Marco Advisors also submitted bids, IPERS spokeswoman Shawna Lode said in an email.