The plan issued an RFP earlier this year to consolidate to a single provider from its previous three.
The private equity firm recently closed the fund at $840 million.
The firm added a partner as it is growing and deploying capital in the healthcare services sector.
The appointment comes as the former cio has decided to transition away from the role to focus on portfolio management responsibilities.
The plan added a private equity commitment at its October board meeting.
The interviews come after the plan created a new 3% target to core infrastructure in February.
The plan made a hire at its meeting this week after interviewing two finalists.
He joins with over 30 years of industry experience and will strengthen the firm’s relationships with clients.
The county is seeking services for its up to $100 million in cash and investments.
The plan made two hires in its search for multi-sector fixed-income managers.