esteban josé bullrich (born, may 26, 1969) is a bachelor of systems and argentine politician. he served as a national senator from 2017 to 2021 for the province of buenos aires. he was previously a national deputy (2005-2007, 2009), minister of social development (2007-2008) and education (2010-2015) of the city of buenos aires and minister of education of argentina (2015-2017).