['DATE | May_2018', 'ORG | Maduro', 'ORG | National_Assembly', 'ORG | the_Organization_of_American_States']
Guaido is the country's National Assembly president and believed by members of the Organization of American States and others to be the highest-level elected official in the country since Maduro's election in May 2018 came with bans on numerous opposition politicians.