The hire concludes a search that was launched in August.
The fund is now more than 40% committed.
The investment advisor will serve for an initial one-year term.
The plans added a sustainable equity manager to their lineup in October after initially receiving an ESG/socially responsible product analysis search book in April.
The pension plan liquidated its approximately $210 million domestic small- to mid-cap growth equity and made commitments totaling $120.5 million in November.
The district issued an RFP in May as the plans had not previously utilized an advisor.
The pension plan expects to conclude the search at its June 12 board of investments meeting.
MissionSquare Retirement previously provided record keeping and administrative services for the authority’s plans.
The transaction adds $142 billion in assets to Franklin Templeton.