The Municipal Council (fr: Conseil municipal, de: Gemeinderat) constitutes the executive government of the City of Biel/Bienne and operates as a collegiate authority. It is composed of five councilors (, ), each presiding over a directorate. The president of the presidential directorate acts as mayor (fr: "Maire", de: "Stadtpräsident"). In the mandate period 2021–2024 ("législature", "Legislatur") the Municipal Council is presided by "Maire/ Stadtpräsident" Erich Fehr. Departmental tasks, coordination measures and implementation of laws decreed by the City Council (parliament) are carried by the Municipal Council. The regular election of the Municipal Council by any inhabitant valid to vote is held every four years. Any resident of Biel/Bienne allowed to vote can be elected as a member of the Municipal Council. The current mandate period is from 1 January 2021 to 31 December 2024. The mayor is elected as such by public election by means of a system of Majorz, while the heads of the other directorates are assigned by the collegiate. The delegates are selected by means of a system of Proporz.