Guillermo was born in Valladolid, Spain, and began playing piano at the age of eight. He currently studies with Andrey Yaroshinsky, who he has worked with since 2018. After finishing Professional Piano Studies at the Valladolid Conservatory at age 13, he is continuing his studies at the Katarina Gurska Superior Conservatory in Madrid.
He completed his training with courses and masterclasses with Josep Colom, Joaquín Soriano, Vincenzo Balzani, Ana Guijarro and Pavel Gililov, among others. In the summer of 2022, he was awarded a scholarship to study at the Luzerne Music Center in New York.
Guillermo has won First Prize at several competitions, including the Santa Cecilia Piano Competition (Segovia, 2017); María Herrero (Granada, 2017); Gran Klavier (Madrid, 2019); Pernik (Bulgaria, 2019); and Estepona Rotary Competition (Málaga, 2021). In addition, he won Second Prize in the César Franck Piano Competition (Brussels, 2017); 4th classified in the Nutcracker (Moscow, 2020); and was a semifinalist at the Frechilla-Zuluaga in Valladolid in the absolute category (2021). Most recently, he won Second Prize of the Jeune Chopin Competition in Switzerland in January of this year.
Guillermo has played more than 50 solo recitals, including performances with several chamber groups and six different concertos as soloist with orchestra. He has performed in many important venues such as the National Auditorium of Spain, Gustav Mahler Hall in Dobbiaco (Italy) and the Cap Roig Festival with Ainhoa Arteta. Important concerts also include solo recitals in International Jesús López Cobos Festival (Zamora) and a solo recital at the Madrid Piano City festival in Conde-Duque Auditorium, Rachmaninoff’s Piano Concerto No. 1 in Málaga with the Málaga Philharmonic Orchestra (October 2022), and Bach Keyboard Concerto in D Minor in Sofia and Pernik (Bulgaria) with the Orfeo String Orchestra.
Guillermo recorded his first album in 2021, featuring repertoire from the Romantic period (Liszt, Schumann, and Chopin).