Born in A Coruña, Spain, he began to play cello with Barbara Switalska in his hometown. Then he ends the Bachelor of Music at the Music School of the Basque Country “Musikene” in the class of Asier Polo and Maria Casado in 2013. Nowadays, he continues developing his studies with Enrico Dindo at the Conservatorio della Svizzera Italiana in Lugano, Switzerland.
He benefited from the advice of, among others, Michael Sanderling, Julian Steckel, Maria Kliegel or Torleif Thedéen. In chamber music he has been influenced by Andoni Mercero, Benedicte Palko, David Quiggle, Daniel del Pino, Heime Müller, Simone Bernardini and the members of Casals, Kuss and Cremona String Quartets.
He was member of the Orquesta Joven de la Sinfónica de Galicia and the Joven Orquesta Nacional de España (JONDE). He has played with orchestras such as the Orquesta Nacional de España (ONE), the Orquesta Sinfónica de Galicia (OSG), the Filharmonia de Galicia or the Orquesta Sinfónica de Euskadi (OSE). Since 2013 he collaborates with the Orchestra della Svizzera Italiana (OSI).
Iván Siso is professor in the University Alfonso X el Sabio.