 He served as coach of the Angolan national basketball team from May 2012 to May 2013.On a press conference held on May 31, 2013, Guimarães said he is considering abandoning all basketball-related activity due to the disrespectful manner that some individuals - whom he did not name - handled the case of his dismissal.Guimarães learned of his dismissal, with the announcement by the Angolan Basketball Federation in a previous news conference, of Paulo Macedo as the new head coach.