Dr. Sanchez Portuguez began his musical studies at the University of Costa Rica’s School of Music where he graduated with honors in 2001 under the guidance of Mario Solera. After graduating, he studied with the Cuban guitarist Jorge Luis Zamora.
In 2004, he began his master’s at Indiana University Jacobs School of Music with the distinguished professor and internationally acclaimed guitarist Ernesto Bitetti.  He continued to the prestigious Doctoral Program at the Jacobs School of Music, graduating in May 2012 as Doctor of Music in Guitar with minors in Music Theory and Composition. He studied with composers Luis Diego Herra, Sven-David Sandstrom, Per Martensson, Gabriela Ortiz, and Don Freund. 

Since 2009, Dr. Sanchez Portuguez has been serving as guitar faculty at schools in the Midwest including the Jacobs School of Music at Indiana University and Franklin College in Indiana.

Guido is currently an Assistant Clinical Professor at the University of Illinois School of Music in Urbana-Champaign where he is director of guitar studies.