Sunwest Bank veteran Brian Constable has joined Los Angeles-based Chinatrust Bank to head its retail banking business.

Constable served as chief commercial banking officer at Irvine-based Sunwest for six years. His banking career has also included stints at Provident Bank in Riverside and Los Angeles-based City National Bank.

Chinatrust, which focuses on Asian-American customers, operates 12 branches in California, New Jersey and New York. Its parent company, Chinatrust Commercial Bank Co. in Taiwan, has about $67 billion in total assets.