María Lucía Castañera earned her law degree from Universidad de Buenos Aires, in December 2010. While still a law student, she worked at a National Civil Court and at a National Employment Court. In 2007 she worked as a paralegal at a medium-size law firm handling commercial and civil lawsuits. In 2008 she joined the Firm as a paralegal and after graduating she became part of the Environmental Department. She speaks fluent English and she can communicate in Portuguese.