The county expects to select a firm at its Oct. 9 governing committee meeting.
The fund is expected to be at or near its €7 ($7.6) billion hard cap by the end of the year.
The new hire most recently served as managing director of institutional consulting at First Republic Investment Management.
Rupal Bhansali is leaving Ariel Investments after 12 years to start her own firm.
The plan committed to an existing private debt manager relationship in March.
The selected firm will serve from July 1 through June 30, 2028.
The new hire will join TCW in October from American Century Investments.
Casey Quirk analyzed 50 of the largest asset managers and found that roughly 20 firms grew their net new revenues at a rate greater than the industry average between 2009 and 2019.
The firm’s second fund is over 50% larger than its predecessor.
The pension plan will consider hiring two domestic large-cap growth equity managers later this month as part of an ongoing shortlist search.