Guglielmo began his violin studies at the age of four with Anna Modesti. He is prizewinner of numerous competitions, gathering the “Alfonso Rossi” Prize at the International Competition “Postacchini” in Fermo. He studied with renowned professors such as Oleksander Semchuk, Osvaldo Scilla, Simon Bernardini and Francesco Cerrato.

He completed his Diploma in the class of Prof. Caterina Carlini with highest marks. In 2012, he was awarded the Scholarship for Young Violinsts of the Philharmonic Orchestra of La Scala in Milan. Afterward he went on the study with Prof. Michaela Martin in Cologne, where he also studied Baroque violin with Richard Gwilt, and Prof. Alessandro Moccia in Gent and Lugano. 

Aside from his engagement with the Alinde Quartett, he is a member of the Gürzenich Orchestra in Cologne and the first violinist of ensemble VERITÀ.