Gustavo Martín-Sánchez was born in Regensburg, Germany, as the son of Spanish parents, where he started his musical education with the Regensburger Domspatzen. He studied singing with Rita Hirner-Lill at the Hochschule of Music and Performing Arts Munich. He was awarded a scholarship by Yehudi Menuhin's “Live Music Now” foundation, and took part in numerous master classes with many notable singers, including Raúl Giménez, where he perfected his singing technique. He also worked on the interpretation of Rossini with Maestro Alberto Zedda.
As a student, G M-S participated in several productions of the Academy of Performing Arts August Everding in Munich's Prinzregententheater: "L´incoronazione di Poppea“ (Monteverdi), "La Calisto“ (Cavalli), "King Arthur“(Purcell), the Munich première of “Scherz, Satire, Ironie und tiefere Bedeutung“ (Detlev Glanert), "Arlecchino“ (Busoni), “A Midsummer Night´s Dream” (Britten), "La Didone“ (Cavalli), "L´Enfant et les sortilèges“ (Ravel), and "Das Wachsfigurenkabinett“ (Hartmann).
In other productions, G M-S sang in "Les Contes d'Hoffmann“ by Offenbach and "I quattro rusteghi“ by Wolf-Ferrari at the opera festival in Isny, and in "King Arthur“ at the Markgräflichen Opernhaus in Bayreuth. He performed with great success the role of Pedrillo of Mozart´s "The Abduction from the Seraglio“ at the Pasinger Fabrik (Munich), Don Polidoro in "La finta semplice“ by Mozart at the Summer Festival in the palace of Gotha, and Hypolit in "Der Vampyr“ by Lindpaintner at the Summer Festival in Maxlrain.
In 2007, G M-S sang the parts of Ramiro in Rossini's "La Cenerentola“ and Ernesto in Donizetti´s "Don Pasquale“ at the Chamber Opera of Hamburg (Alleetheater). In the same year, at the Opera Festival of Heidenheim, he sang Pedrillo in "The Abduction from the Seraglio,“ and Ramiro in "La Cenerentola“ at the Mitteldeutschen Kammeroper Leipzig. In 2008, he performed the student Arkenholz in A. Reimann´s opera, "Gespenstersonate,“ at the Opera Stabile in the State Opera House in Hamburg. In the same year, he made his début at the Carl Orff Festival in Andechs with "Il trionfo di Afrodite“ and "Carmina Burana“, which he repeated in July 2009. In the season 2008-9, he sang the Tanzmeister in "Ariadne auf Naxos“ by Richard Strauss at the theater of Koblenz. His opera productions in 2009 include “Acis and Galatea” by Georg F. Händel at the Fürth Opera House. In 2010 he performed in the world premiere of Hiller´s "Sohn des Zimmermanns" in the cathedral of Würzburg and also in the concert for Pope Benedict XVI in his residence Castel Gandolfo. He was also invited to the Orff-Days to sing in the Philharmony of Munich and was again invited the following year as well as in 2016/17. In 2012 he performed an operetta with the Bavarian operetta camerata. In 2013 he was invited to sing the tenor role in "Final Fantasy" at the Philharmony of Munich with the Grammy award winner Arni Roth. In the same year he sang in the festival of Agnes Bernauer in the castle of Straubing. In 2014 he sang the role of "Joseph" in "Wiener Blut" near Munich. In 2015 he was invited to sing the grand opening of the "Days of ancient music" in Regensburg with the Regensburger Domspatzen and a live broadcast on BR radio. In 2016 he had two world premieres. The first was Sixten´s "W-The truth beyond" in Tübingen and in Ystad (Sweden) and the second was the St.Francis Symphony of Randall Svane (New York) at the Icking festival in Bavaria.
G M-S has performed many concerts of Lied and oratorio, including Bach's St. John Passion in Venice (2007), in the cathedral of Turin (2009), in the Cathedral of Vienna (2012), in the Cathedral of Bergamo (2013), in Munich (2015); Bach's Christmas Oratorio in Hamburg (2008), Stuttgart (2011/12), Munich (2012/15/16), Dresden (2016); and “Elias” by Mendelssohn in Switzerland in 2009; Rossini´s Petite Messe in Essen, Munich, Dortmund; Dvorak´s Stabat Mater (2012 + 2015); Lobgesang (2013/14/17) in Munich; the Mozart Requiem und C-Moll Mass in Munich (2013); the Messiah in the Cathedral of Bozen (2014); a Bach cantata in St. Thomas Church of Leipzig (2015); H-Moll Mass in Dortmund (2016).
His recordings include oratorios and two CDs of Neapolitan songs with the Mudestra-Trio. And the latest CD features Spanish songs and operetta arias, South American songs and tangos.