Professor Yanzer Rebollo studied Computer Science and Pedagogy. He holds a certification as an English Teacher from UNAM and has certifications from the University of Cambridge as "First Certificate" "Teacher's Course" and "Teaching Knowledge Tests" and several courses and diplomas. Was a teacher and coordinator for 9 years in prestigious schools and was an academic consultant and academic coordinator for different publishers, where he participated in several publications for preschool, elementary and secondary. Has given seminars and courses in Mexico and different countries. Has been a consultant for Macmillan Education for more than 6 years where he has given webinars for teachers around the world and has participated in different educational projects.