Guillermo Sabater joined the Board of Directors of the International School Nido de Aguilas in June 2024 and is currently the Board Treasurer, a member of the Executive Committee, and the Finance Committee Chair. He has two children currently at Nido and two who have already graduated from Nido.

Guillermo is the Financial Controller of Santander-Chile and has worked for Santander and its affiliates for more than 30 years in different roles and countries. He holds an Economics and Business Administration degree from the University College of Financial Studies at the Universidad Complutense de Madrid. He completed an Executive Development program at the Institute of Business and took various courses at institutions such as Babson College and Boston University.