The open meeting law prohibits governmental bodies from using secret ballots to determine any election or other decision of the body unless such use is specifically authorized by statute.

With very limited exceptions, the answer is no. The open meeting law prohibits governmental bodies from using secret ballots to determine any election or other decision of the body unless such use is specifically authorized by statute.  Wis. Stat. sec. 19.88(1).  Section 19.88(1) specifically allows a governmental body to use secret ballots to elect the body’s officers.  For example, a common council may use secret ballots to elect the council president, provided council rules do not prohibit such use.