Sergio Fajardo is the former governor of Antioquia and the former mayor of Medellín. He has been a member of the Inter-American Dialogue since 2008. Before entering politics, Fajardo was an academic at the University of the Andes. He earned his PhD in mathematics from the University of Wisconsin at Madison and a BSc from the University of the Andes. Fajardo is the founder of the Compromiso Ciudadano movement, a group of artists, thinkers, and businessmen pushing for independent and clean politics. He served as mayor of Medellín from 2004 to 2007. During his tenure, he was widely praised for responsible public spending, record social investment, a pronounced decrease in crime, and innovative social inclusion policies. In 2010, he was a candidate for the presidency. The following year, he was elected governor of Antioquia, serving until 2016.