Considered by specialized critics as a virtuoso guitarist, with impeccable technique and extreme sensibility, capable of captivating the most varied audiences in his concerts, Guillem Pérez-Quer is an internationally renowned concert guitarist, with a long history, who has performed around the world. He studied with great teachers: Juan Fco. Garrido, Óscar Cáceres, Leo Brouwer, Betho Davezac, Eli Kassner, and the great guitarist Maria Luisa Anido – a student of Miquel Llobet – who considered him one of her best students.
Winner of prestigious prizes such as the Manuel de Falla Interpretation Contest and the XXV Maria Canals International Contest, among others. He has three albums published with President Records Ltd. (London) together with her wife, Canadian guitar player Danielle Kassner, as the Kassner & Quer Guitar Duo. He is often giving lectures and master classes around the world and has been part of the jury of numerous international competitions (Mexico, Costa Rica, Canada, Italy, France, UK, Colombia, Czech Republic, Chile, Bosnia-Herzegovina, China, Kyrgyz Republic, USA, etc.)
He is the Head of the Department of Guitar of the Superior Conservatory of Music on the Liceu in Barcelona.