The Circuit Clerk is a constitutional officer who is elected every four years by the voters of DuPage County. The duties and responsibilities of the Circuit Clerk are established by state statute, as well as by the Illinois Supreme Court, Administrative Office of Illinois Courts and Local Rules set forth by the Chief Judge of the 18th Judicial Circuit.

By law, the Circuit Clerk's primary function is to establish, maintain and keep all records of court and the court seal.

In addition to court related duties, the Clerk is responsible for a number of administrative, financial and public services.