Vaz served as the Minister of Foreign Relations of Uruguay from August 31, 2009 until March 1, 2010.

[1] A lawyer by profession, Vaz served in Uruguayan diplomatic posts in Mexico and Switzerland earlier in his career.

[1] Vaz had also previously served as Ambassador to Brazil prior to becoming Foreign Minister.

[1] Vaz died from a heart attack at his residence in the Los Condes neighborhood of Santiago, Chile, on December 6, 2012, at the age of 49.

[1][2] He received honors as Minister of State, in a ceremony at the Palacio Santos attended by foreign minister Luis Almagro and the apostolic nuncio Anselmo Guido Pecorari; his remains are buried at the Cemetery of Rocha.