The plan added an international large-cap value equity index manager last month.
The city is seeking the services for its defined contribution and deferred compensation plans with $877 million in total assets.
The pool is seeking the services across two bond investment mandates.
Sean Sullivan has joined Octagon Credit Investors as managing director and head of private credit.
The retirement system appears to be considering alternatives for an underperforming incumbent.
The firm has named a successor for Wesley LePatner, a real estate executive that was killed at the firm’s New York headquarters in July.
The state pension plan also committed up to $400 million across two venture capital funds at its meeting today.
Anwiti Bahuguna has been named global co-cio of Northern Trust Asset Management.
He will join the plan at the beginning of next year from his current position at the University of Hawaii System.