Beverly Hills, Calif.-based PacWest Bancorp named Bart Olson executive vice president and chief accounting officer, replacing Lynn Hopkins, who is set to resign.

Olson served as a managing director in the CFO division of Credit Suisse Group AG, where he was responsible for global liquidity measurement and reporting since 2014. He will assume the role of principal accounting officer after PacWest Bancorp's 2016 Form 10-K is filed, according to a regulatory filing.

PacWest Bancorp is the parent of Pacific Western Bank.