Marcelo Eduardo Díaz Díaz is a Chilean politician who served as a minister during the second government of Michelle Bachelet.

The Ministry General Secretariat of Government (Segegob) is the cabinet-level administrative office charged with acting as the government's organ of communication. The principal function of the Minister Secretary General of Government and his or her staff is to serve as the spokesperson of the government. The current Minister Secretary General of Government is Camila Vallejo.