After studying medicine in Paris, epistemology at EHESS (School for Advanced Studies in Social Sciences) with Edgar Morin and composition at CNSM (National Superior Conservatory of Music) in Paris with Pierre Schaeffer and Guy Reibel (1st prize in 1981), Marc Texier devoted himself to artistic direction, radiophonic production and writing. In 1983, at the request of the Fondation Royaumont, he founded the Voix Nouvelles program (providing training to composers and singers, ensembles in residence and producing performances) to which he has associated since 1990 a course in composition, multidisciplinary workshops (music, dance, theatre and video) and providing support to artists within the scope of a network of international exchanges (France, Holland, Canada, Japan). Every year in September, Voix Nouvelles organizes a contemporary music festival in Royaumont Abbey (Val d'Oise department).
Producer with France-Musique from 1982 to 1994, he focused in particular on the broadcasting of contemporary music: the daily emission Repères Contemporains, the weekly magazine Spirales, the production
He continued this mediatization activity at IRCAM (Institute for Music, Acoustic Research and Coordination) from 1995 to 2004 where he conceived and developed a documentary data base on modern music (brahms.ircam.fr) and a webradio (www.ircam.fr/webradio.html). Between 1986 and 1992, he was co-founder and member of the Editorial Committee of the review EntreTemps, then in 1997-1998 the committee of Musica Falsa. He regularly has articles on music published in Art Press, l'Avant-Scène Opéra, La Lettre du Musicien, Traverses, Polyphone (Japan), Musica Falsa, MusikTexte (Germany), and in collective works published by Ircam-L'Harmattan (Marc-André Dalbavie, Brian Ferneyhough, Enseigner la composition). His journal of musical creation, Moments passés - Musique présente, was published by Éditions Van Dieren in 2006. Since 2006, he has also been General Director of the Geneva Archipel Festival in Switzerland.