The plan made the hire at a board meeting this week after reissuing an RFP for the second time this summer.
The plan will receive a recommendation to hire two duration specialists next week.
The plan terminated a $1.4 billion domestic large-cap value equity mandate and made commitments with four existing managers and one new manager in August.
The plan committed a total of $15 million to two private equity managers this summer.
The plan’s previous executive director joined Aon last month.
Two co-portfolio managers have been added to replace him on the Total Return strategy.
The firm also promoted a new head of global buyout fund investments.
They are responsible for deal origination and execution.
City is searching for a firm to provide non-discretionary management of its investment pool portfolio.
The v.p.s joined the firm’s client solutions team and will focus on nonprofits and pension plans, respectively.