Cal. Gov. Code § 68843

The Supreme Court shall appoint a clerk, who shall be known as the Clerk/Executive Officer of the Supreme Court, and who shall serve at its pleasure. The Clerk/Executive Officer of the Supreme Court, with the approval of a majority of the Justices of the Supreme Court, shall appoint deputy clerks, librarians, secretaries, and other employees of the Supreme Court as are required. The Supreme Court shall determine the duties and, subject to subdivision (b) of Section 19825, fix and pay the compensation of these officers.