He began studying the violin with his mother M. Cervera and graduated under the guidance of M. Costisella at the Conservatory of S. Cecilia, Rome, 1988, with the highest honors. He then perfected the violin with P. Vernikov, Z. Gilels, and E. Chugajeva Portogruaro and Vienna, in a quartet with P. Farulli, R. Hillier and S. Harada.

Since then it is engaged in an intense concert activity that led him to play for major Institutions such as the Academy of St. Cecilia, and the IUC in Rome, The Philharmonic orchestra of St. Petersburg, Milanomusica, the Teatro La Fenice, the Teatro san Carlo and the Assosciazione Scarlatti in Naples, and collaborations chamber music with renowned musicians such as M. W. Chung, A. Lonquich, M. Bell, D. Geringas, M. Brunello, B. Petruschansky, A., Pay, and V. Hagen.

First violin, soloist of the Orchestra of the Accademia Nazionale di santa Cecilia from 1996 to 2006, he performed with distinguished conductors (Chung, Maazel, Pretre, Sawallisch, Temirkanov, Tate, Dutoit, Fruhbeck de Burgos), has made numerous tours in Europe, Japan, Korea and China, has performed the most well-known “only” to Strauss, Bach, Beethoven, Tschaikowsky, and Rimsky-Korsakov, and he has recorded for Deutsche Gramophone, Musicom, and EMI. In this role, he has collaborated with, among others, with the Orchestra of la Scala, Milan, the Symphonica Toscanini, the Chamber Orchestra of Lausanne and the Symphony Orchestra of Rome.

A passionate chamber musician, in 1995, he founded the Quartet of Rome, which immediately won the award at the XV International Competition of Trapani, an intense concert activity in Italy, Spain, the Netherlands, Norway, Turkey, Egypt, the Far East and especially in Germany-where, a regular guest since 1999, is always welcomed with enthusiasm by critics and audiences. Significant recent recitals held at the Berlin Philharmonic and the Royal Palace of Madrid (the latter on the Stradivari of the royal collection), with which the Quartet has celebrated 15 years of activity. Particularly appreciated by the critics in both German and Italian recordings of quintet for clarinet and strings of Reger and Marteau (Naxos), and Mozart, and Brahms (Bottega Discantica), as well as the full quartet of Verdi and Puccini (Bottega Discantica). She also recorded for RAI, Radio Nacional de España, Catalunya Radio, the Hermitage, Frequenz, and Musikstrasse, RadioSvizzeraItaliana, Bayerischer Rundfunk.

As a first violinist of the Quartet, Marco Fiorini has played in England, Switzerland, Germany, Spain and Armenia, and to the Festivals of Ravenna and Ravello.

He holds courses and master classes in violin, chamber music, and orchestra, also in the role of director, both in Italy and abroad, and care of the contacts on the instrumental technique for the specialized magazine Archi Magazine.

From 2019, is the first violin, soloist of the chamber orchestra “I Musici” and professor of violin at the Conservatory “S. Cecilia” of Rome.