Aurelijus Rutenis Antanas Mockus Šivickas (born 25 March 1952) is a Colombian mathematician, philosopher, and politician.
The son of Lithuanian immigrants, he left his post as the president of the National University of Colombia in Bogotá in 1993, and later that year ran a successful campaign for mayor. He proceeded to preside over Bogotá as mayor for two (non-consecutive) terms, during which he became known for springing surprising and humorous initiatives upon the city’s inhabitants. These tended to involve grand gestures, including local artists or personal appearances by the mayor himself—taking a shower in a commercial about conserving water, or walking the streets dressed in spandex and a cape as Supercitizen. On March 4, 2010, he was elected in a public consultation as the Colombian Green Party candidate for the presidential election in 2010.
On April 4, 2010, Antanas Mockus chose Sergio Fajardo, former mayor of Medellín, as his vice-presidential running mate. On April 9, 2010 he announced that he had been diagnosed with Parkinson’s disease. He told La W radio: “The prediction is that this will not affect my mental activities. I think it is absolutely fitting to tell the people about the diagnosis and about the prognosis—which is 12 years or more of normal life thanks to medication.” Mockus finished second in the polling, leading to a runoff election with Juan Manuel Santos, which Santos won. Mockus resigned from the Green Party in June 2011 because he opposed its Bogotá mayoral candidate being supported by former right-wing President Álvaro Uribe.