Marco Arturo Marelli was born in Zurich. After his education in his home town, succeeded engagements as assistant in Vienna, Salzburg, and at the Hamburg State Opera, where he also debuted as stage designer, and costume designer.

Particular attention received then his debut as director, with “the Magic Flute” by Mozart, and with a Mozart-cycle at the Volksoper Vienna.

Further stagings followed at the Vienna State Opera, of which he became honorary member in 2010 (among others: “Schweigsame Frau”, “Gianni Schicchi”, “La Sonnambula”, “Magic Flute”, “Cardillac”, “Falstaff”, “Capriccio”, “Medea”, “Fanciulla del West”), and at the Hamburg State Opera (amongst others: “Falstaff”, “Don Giovanni”, “the Flying Dutchman”, “Cosi fan tutte”, Händel’s “Radamisto”, “Der Rosenkavalier”), at the Deutsche Oper Berlin (“Pelléas et Mélisande” and “Ägyptische Helena”, “Don Carlo”), at the Semperoper Dresden (amongst others: “Tristan und Isolde”, “Capriccio”, “Ariadne auf Naxos”), at the Opéra Bastille Paris, the Opéra Palais Garnier Paris, the Théâtre du Châtelet Paris, the Royal Opera House Covent Garden, London, the Volksoper Vienna, and the operas of Tokyo, Stockholm, Helsinki, Kopenhagen, Toronto, Zürich, Madrid, Barcelona, Frankfurt, Köln, Graz, Toulouse, Strasbourg and Bonn.

Beside operas of the baroque era, as well as those by Mozart, Verdi, Wagner and Richard Strauss, he staged a number of contemporary works, such as “Le grand macabre” by Ligeti (Zurich), “Prinz von Homburg” by Henze (Cologne), as well as “Jakobsleiter” by Schoenberg (Vienna), and also world premieres of “Medea”, by Aribert Reimann (Vienna), “Thomas Chatterton” by Matthias Pintscher (Dresden), and “Die Leiden des jungen Werthers” by Hans-Jürgen von Bose (Hamburg).

Particular attention was also obtained by various rediscoveries: “Amadis” (J.Chr. Bach) at the Hamburg State Opera, “Semele” by Handel, and “Radamsito” at the Ludwigsburger Festspiele and in Hamburg, “Des Teufels Lustschloß” (Franz Schubert), and “Le vin herbé” (Frank Martin), both at the Opernhaus Zürich.

He worked together with various conductors, such as Gerd Albrecht, Marc Albrecht, Michael Boder, Christoph von Dohnanyi, Christoph Eschenbach, Michael Gielen, Nikolaus Harnoncourt,  Philippe Jordan, Fabio Luisi,  Roger Norrington,  Donald Runnicles, Franz Welser-Möst, and Lothar Zagrosek.

In 2010 the book “Ich höre den Raum”, about his work, has been released.