After studying music history at the Sorbonne and the Conservatoire National de Région de Saint-Maurdes-Fossés, art history at the École du Louvre, and harpsichord, Samuel Muller turned his attention to early music. In addition to his research activities, he is director of the Brussels-based ensemble Dulcinea, specializing in 17th- and 18th-century French music, and regularly works with musicians, singers and actors on theatrical and musical stage projects. At the same time, he works with theater and puppetry, as well as directing. In 2002, he directed the ensemble Les Corbeaux et les Hybous, made up of four singers and a lute, working on dramaturgy (theater, music, poetry) in the Baroque period. He has worked regularly as a vocal coach for the companies Comédiens & Cie (La Jalousie du Barbouillé, Le Sicilien, le Mariage Forcé, la Flûte Enchantée, La Nuit des Rois) and Viva la Commedia (Cyrano de Bergerac, Don Juan). After working with Benoît Richter and Jean-Paul Denizon for the past twenty-five years, he is above all an actor, director and author, including: Jacques Jouet's Physique de l'Interrogatoire, Le Grand Cirque Philosophique Barberini (author and director, Festival Les Malins Plaisirs de Montreuil-sur-Mer), Le Styx (author and director, Festival Les Malins Plaisirs de Montreuil-sur-Mer), Miranda, la Princesse Naufragée (director, Paris). At the same time, he trained in Baroque theater with Jean-Denis Monory and La Fabrique à Théâtre, and has since created and performed Les Dieux Déguisés (director, Ensemble Pythagore), Les Fables de la Fontaine (author, director, actor, Paris), and La Danseuse & le Poète (author, director, actor, Ivry). He also created Orphée XIII (Author, director, Gabriel Fauré secondary school, Paris). He also works with the Fondation Royaumont on the Babel project (Les Cris de Paris). In 2015, he created his own company, Le Théâtre de Thélème, based in Touraine, with which he tackles lyrical or musical shows (La Nostalgie du Paradis) and contemporary creations. The same year, he began his collaboration with the Académie de l'Opéra national de Paris, where he created Quand vient la nuit (M. Jourdain, 2015) and L'Homme qui ne savait pas mourir (text and staging, 2016). In 2018, he created and directed for the Paris Opera Le Chemin Secret... From 2019 to 2022, he was artistic director of Générale des Mômes (formerly Compagnie du Petit Monde), based in Touraine. As author and director, he created Bingo Baraka! and Monsieur Blanc, followed by La Promenade de Flaubert, based on the book by Antonin Louchard (2022). In 2022, he began his collaboration with Compagnie Quart de Soupir (dir. Christopher Lacassagne) with the production of Lalilo for young audiences. The same year, he wrote the text for Actéon, a choral opera set to music by Emmanuelle Da Costa for Radio-France.