The plan is set to discuss potential changes to its strategic asset allocation, including decreasing private equity and traditional credit.
City is searching for a firm to help oversee its $115 million portfolio.
The two will assist with deal diligence and execution, the firm said.
The transaction adds new capabilities in European equity, investment grade credit, sustainable impact equity and green bonds.
They will provide risk management, strategic asset allocation and other consulting services.
The plan approved an infrastructure commitment with an existing manager last week.
The new hire will oversee both administration and investment for the plan.
The plan’s emerging-manager-of-managers is replacing an international equity firm due to a personnel change.
The plan has issued its RFP for minority-, women- and diverse-owned private equity managers to handle up to $50 million.
The combined firm has over $745 billion in assets under administration.