Carlos Almaguer was born in Mexico City. Since being young he is getting involved with music and learns to play different musical instruments. In the same time Carlos Almaguer starts to sing and prepare together with his first Maestro Francisco Amador. On the age of eighteen Carlos Almaguer wins third place in the singing contest for young opera singers “Carlo Morelli” in Mexico City – Mexico. The following year (1994) the young musician comes first in the same competition. After his settlement in Barcelona, the young singer wins a Scholarship to study in Siena, Italy. While living in Spain he meets the great baritone Vincenta Sardinero who becomes his new vocal perfection and singing Maestro from 1996 to 2003. During that period Carlos wins many international awards and competitions like Francisco Viñas, Jaime Aragall, Julian Gayarre, Francisca Cuart, the singing contest Verviers in Belgium, Portugal, etc. While working with his Maestro D. Vicente Sardinero, Carlos Almaguer takes possession of all the techniques his Maestro is famous for.

Carlos Almaguer has been singing in Germany, Belgium, Spain, Italy, Japan, Mexico, Greece (Athens), Romania, Bulgaria, Australia, Switzerland, Vienna, China, New York, Tel-Aviv (Israel), London, Chile, United States of America, England, Savonlinna (Irlanda), Netherlands, France. He sings with a great success the most famous role for a dramatic baritone: Andrea Chénier, La Fanciulla del West, Il Tabarro, Attila, Nabucco, Otello, Tosca, Simon Boccanegra and Macbeth, Rigoletto, Il Trovatore, I Pagliacci, Luisa Miller, Un Ballo in Maschera, Aida, La Forza del Destino.

The theaters he has been singing in are: Frankfurt Opera House, Leipzig Opera, Festival de Trapani, Teatro Massimo di Palermo, Deutsche Oper Berlin, Hamburg State Opera, Opéra National du Rhin, Toulon Opera house, Opéra de Marseille, Arena de Verona, Stadttheater Bern, Vienna State Opera, Teatro Comunale di Bologna, Teatro Regio di Torino, Arena de Avenches, Opéra de Lausanne, Carnegie Hall, Hungarian State Opera House Budapest, Bucharest National Opera House, Kanazawa Opera House, National Opera of Montpellier, Opera of Nantes, Melbourne Opera, Greek National Opera, Opera Liceu de Barcelona, Teatro Gayarre Pampolna, Cordova, Opera de Las Palmas de Gran Canaria, Opera de Wallonie (Lieja), Covent Garden (ROYAL OPERA HOUSE), Chile Opera House, Festival de Opera de Sanvolinna, Amsterdan Sala de conciertos Concertgebouw, Beijing Opera, The National Israeli Opera, National Opera of Mexico.

Carlos Almaguer was awarded with the medal of critics of the artists, press and musicians in his country Mexico and he got the medal of Dr. Alfonso Ortíz Tirado in Alamos Sonora, Mexico.