The firm recently added three new members to its investment team.
The former director had been with the retirement system since 2013.
The plan also made a private equity commitment in June.
The retirement system has hired a new cfo after launching a search in April.
The board will hire a new private equity manager in October.
The firm has named co-managing partners as part of a leadership transition, which will see its president and ceo become managing partner emeritus.
The manager hire was recommended as part of a public equity structure analysis.
The executive director has been with the retirement system for more than ten years.
The plans considered replacing their underperforming balanced fund manager earlier this month.
The firm has added two new members to its capital formation group.