Kristo Käo is an edutech entrepreneur, musician, and author who merges his passion for music with innovative teaching. Holding a Master's in classical guitar, he is also active in early music, performing on theorbo and baroque guitar with renowned ensembles and orchestras. Over a 25-year career, Kristo has created and published educational resources for guitarists, including method books, arrangements, curriculums, e-courses, and a guitar magazine. He has also released multiple audio albums, spanning CDs, LPs, and digital formats. Being the co-founder of MatchMySound, an automatic feedback platform, Kristo's work continues to help music educators and students worldwide enhance their learning experiences.