He was a correspondent for Semana Magazine in Washington, editor of the Cambio Magazine and Political Editor of El Tiempo, where he was part of the team that in 2007 won the National Journalism Award from the Círculo de Periodistas de Bogotá for investigations into parapolitics.

[2] Political career He worked at the OAS as an advisor to President César Gaviria when he was Secretary General between 2001 and 2003 and electoral Observer in the 2001 presidential elections in Nicaragua.

His complaints about irregularities in public contracting became the starting point to uncover the so-called Carousel of contracting.3 He was qualified twice as the best Councilor in Bogotá by the Concejo Cómo Vamos project and elected by journalists from the city as the Most Outstanding Councilor of 2011.1 That year he decided to be a candidate for Mayor of Bogotá, obtaining 285,263 votes.

He represented Colombia before the mechanisms for monitoring the anti-corruption conventions of the United Nations and the Organization of American States, as well as in the Working Group on Bribery at the OECD.

In 2015, he resigned from the leadership of the Radical Change Party due to deep differences with various members of the community regarding the definition of various candidacies for the 2015 local elections.

After the first round, in which Germán Vargas Lleras did not win, Cambio Radical chose to join Uribismo's candidacy.