What is "landammann"

Landammann or Landaman, plural -männer, meaning Bureaucrat for the land, is the German title used by the chief magistrate in certain Cantons of Switzerland and at times featured in the Head of state's style at the confederal level.

The French version is Landamman (plural Landammans), the Italian Landamano (plural Landamani)

If the office is held by a woman, she is addressed as Frau Landammann (Mrs. Landammann).