The French cellist Guillaume Martigné was trained by Mark Drobinsky, himself a disciple of Mstislav Rostropovitch. He entered the Paris Conservatory (CNSM) where he obtained a First Prize in Cello, as well as a First Prize in Chamber Music in 1999. He studied in the United States between 2000 and 2001 with Bernard Greenhouse, founder of the Beaux Arts Trio, and then entered a third cycle of advanced studies in the class of Philippe Müller (CNSM).

Very interested in contemporary music, he has recorded several works for solo cello, and has been responsible for the Russian creation of Jean Françaix's Variations de Concert. He also collaborated with Bartabas, in solo cello improvisations on the show "Soleil Levant". Since his debut at the age of thirteen, he has performed as a soloist with orchestra, notably in several international orchestras or in French venues such as the Cité de la Musique, Radio France, Théâtre Mogador, Théâtre du Châtelet, Salle Pleyel, TCE in Paris and in many festivals. He is regularly invited to perform in the most prestigious Italian concert series, and gives many concerts all over the world.

Guillaume Martigné joined the Psophos Quartet in 2010, and is principal cello of the Paris Mozart Orchestra. His record of Britten's suites for solo cello, released by Klarthe, was honoured as one of the best records in 2015 by France-Musique and received all four stars from Classica. Guillaume Martigné plays a Rogeri from 1690.