Antonio Perales Castro is a professor of ELE with extensive professional experience in various educational institutions. Founder of CastiLa, International Center for Hispanic Studies, is also a professor at the Institute Cervantes (currently on leave). At both centers, she has developed and refined teaching techniques for students of different levels and nationalities. She has also dedicated herself to teacher training. ELE, participating in master's programs and other university courses, where he shares his experience and knowledge with future professionals in the field ELE.