Venezuela's National Assembly head Juan Guaido declares himself the country's "acting president" during a mass opposition rally against leader Nicolas Maduro in Caracas, Jan. 23, 2019.

Juan Guaido proudly calls himself a "survivor." National Assembly president Juan Guaido has quickly risen to become the most recognizable face of Venezuela's opposition P Pulse News Agency ...

CARORA, VENEZUELA — Venezuela's opposition leader Juan Guaido said on Saturday he would send delegates to Oslo next week for the first face-to-face meeting with representatives of President ...

Mejia, his legislative colleague, says Guaido is playing "a difficult game": Venezuela is "used to personality cults and authoritarian leadership, and that's placing a big burden on Juan.