Hailed as a "music-theory expert" by Rolling Stone magazine, guitarist Desi Serna is the author of the very popular Fretboard Theory line of guitar instructional material as well as Guitar Theory For Dummies and Guitar Rhythm and Technique For Dummies. He is known for his practical, hands-on approach to music teaching, with a focus on the guitar fretboard and emphasis on popular songs. Desi honed his craft through decades of teaching, performing, and publishing. He's online everyday managing his GuitarMusicTheory.com website and messaging with his customers. Originally from Toledo, Ohio, Desi and his family live near Nashville, Tennessee.