The plan last conducted a search nearly a decade ago.
The plan’s current manager was first hired in 2017.
The fund closed at $2.23 billion, oversubscribed relative to its $1.6 billion target.
The advisor will continue providing services for the city’s short- and medium-term investment portfolios.
The new head of wealth/strategic initiatives for WTW’s U.S. investments business has been with the firm since 2011.
The hire concludes an RFI launched in July.
The district tabled a similar search for services in 2017.
Aaron Mulvihill has joined J.P. Morgan Asset Management as an executive director and global market strategist specializing in alternatives.
The new strategies are led by Jean-Charles Sambor following his team’s addition earlier this year.
The plan placed a domestic large-cap growth equity manager on watch at its Dec. 6 board meeting.