Mertxe Sánchez earned a degree as a Specialist in Business and Tourist Activities from the School of Tourism of San Sebastián (University of Deusto) in 1991. In 1996, she earned the degree of Secretariat of Business from Nazaret Zentroa. Throughout her career, she has worked in various companies. From 1996 to 2008, she worked at Sinergos S.L. as the executive secretary, responsible for the management and coordination of training courses and performing various operational and support tasks for the team. From 2009 to 2014 she was in charge of administration in the company Sematec S.A. In 2015 and 2016, she was part of the Basque Culinary Centre within the Department of Masters and Courses for Professionals. She currently works as an Administrative Assistant at the Matia Institute.