The trust previously hired Mariner Institutional, then AndCo Consulting, as its investment consultant in 2016.
Chris James has been appointed global head of tactical opportunities as David Blitzer transitions to chair.
The selected firm will serve an initial one-year term beginning on Jan. 1.
The pool is seeking a firm to provide services related to investment advisory, administrative and investment management, member, custodial and auditing.
Plan had been expected to launch a search this year due to the impending contract expiration of its incumbent.
The investment officer joins from another West Coast county pension plan.
The plan had placed Western Asset Management on watch earlier this year.
The agency expects to commence a contract on July 1.
The funds surpassed their respective targets.
The retirement fund currently works with fixed-income consultant RVK.