Horacio Rodríguez-Larreta (Spanish pronunciation: [oˈɾasjo roˈðɾiɣes laˈreta] ⓘ; born 29 October 1965) is an Argentine economist, politician and the former Chief of Government of the City of Buenos Aires.

Larreta was re-elected in 2019 with almost 56% of the votes, becoming the first candidate to win a mayoral election in the first round since the adoption of Buenos Aires's autonomous constitution.

[13][14][15] He helped Mauricio Macri to create the political party Commitment to Change, which would eventually become the Republican Proposal (PRO).

Macri became Mayor of Buenos Aires and Larreta served as Chief of the Cabinet of Ministers for eight years.

Macri transferred a part of the Argentine Federal Police to Buenos Aires, as it had been requested by the city many years before.

The objective of this work is to eliminate the level crossings of the streets Monroe, Blanco Encalada, Mendoza, Juramento, Olazábal, Sucre, La Pampa and Olleros.

In 2018, Rodríguez-Larreta's government inaugurated a new station on Line H serving the University of Buenos Aires Faculty of Law in the Recoleta neighborhood.

[28] After 45 years of sustained Subway growth, new subway stations construction was halted in 2018 by his administration [29] During its first term, 3 viaducts were built, 9 km of underground work of the Vega Stream, 7 stations of subway, 10,000 security cameras, 62.5 km of metrobus extension, 54 new schools, 10,000 new homes, 7 monitoring centers, 46 health centers, the Olympic District was built, the San Martin Theater was reopened, the Corrientes Street, the Youth Olympic Games were held in 2018, neighborhoods were integrated and urbanized and the City became 100% led Also, he broke a world record selling 267 hectares of Public Lands without consulting their citizens, same as selling 126 "Plazas de Mayo" (May Park) .

[30] Larreta was re-elected in 2019 with almost 56% of the votes, becoming the first candidate to win a mayoral election in the first round since the adoption of Buenos Aires's autonomous constitution.