California BanCorp於2019年10月2日在加利福尼亞州註冊成立。該銀行於2001年12月以Ramona National Bank的名義在加利福尼亞州的Ramona開始營業，Ramona National Bank是一個距離聖地亞哥內陸45英里的小社區，以滿足當地社區的金融需求。2006年11月，該銀行更名為First Business Bank，N.A.，其戰略轉向聖迭戈縣的商業和專業社區。
董事
名稱
職位
David I. Rainer
Chairman of the Board,Chief Executive Officer and Director
Andrew J. Armanino, Jr.
Independent Director
Anne Williams
Independent Director
David Volk
Independent Director
Frank D. Di Tomaso
Independent Director
Frank L. Muller
Independent Director
Kevin J. Cullen
Independent Director
Lester Machado
Independent Director
Rochelle G. Klein
Independent Director
Stephen A. Cortese
Independent Director
股東
名稱
職位
David I. Rainer
Chairman of the Board,Chief Executive Officer and Director
Michele Wirfel
Executive Vice President, Chief Operating Officer
Jean Carandang
Executive Vice President, Chief Financial Officer of the Bank
Thomas G. Dolan
Executive Vice President, Chief Financial Officer and Chief Strategy Officer
Joann Yeung
Executive Vice President, Principal Accounting Officer
Manisha K. Merchant
Executive Vice President, Chief Legal Officer
Martin Liska
Executive Vice President, Chief Risk Officer of the Bank
Peter Nutz
Executive Vice President, Chief Credit Officer of the Bank