section_path: Career/Diplomatic role
section_name: Diplomatic role
paragraph_text: Diplomatic role
  
  Serrano was secretary of the Mozambique Nunciature from 2012 to 2016. He then served as secretary of the Nunciature in Nicaragua from 2016 to 2017 the Nunciature in Brazil from 2017 to 2019. In 2019, he became a counselor of the Section for General Affairs of the Secretariat of State and by 2024 was personal secretary to Archbishop Edgar Peña Parra, Substitute for the Secretary of State.