Award-winner of numerous prices in international competitions (Illzach, Florence, Gorizia, Paris, Heerlen…), he gives performances as soloist but also as chambrist in France (theatres of Châtelet, Champs-Elysées, salle Pleyel, Gaveau, Cité de la musique, auditorium du Louvre, Festival d’Aix en Provence, La Roque d’anthéron, auditorium de Dijon…) and abroad (Europe, North Africa, Israel, Lebanon, India, Central America, Russia, China, South Asia, Argentina, Brasil…) with musicians like Augustin Dumay, Carrie Denis, Lise Berthaud, François Salque, Nicolas Bone, Yehonathan Berrick, Gil Sharon, Henri Desmarquettes, Marc Desmons, Michel Strauss, Olivier Patey, Romain Descharmes, Eric Lesage…
In 2008, during the summer, he worked with the solist of the Berliner Philarmoniker at the Festival d’Aix en Provence and won the support of the HSBC foundation .
His performances are regularly broadcasted on radio (France Musique) or on television (Arte, France 2, France 3, Mezzo…).
Sullimann Altmayer plays on a 1710 Francesco Gobetti.
In 2018 he’s appointed Artistic Director at the Fonact Music Academy.