Marco-Buhrmester began studying voice at the Conservatoire for Music and Theater of the City of Bern in 1984 and won the Studieng Gesang of the MGB of the City of Zurich between 1985 and 1987.
In 1987, he moved to the Opera Studio of the Music Academy of the City of Basel and at the same time received his first engagement at the Stadttheater Biel, where he made his debut as Marcello in La Bohème under the direction of Jun Märkl.
This was followed by engagements at the Aalto-Theater Essen (1989-1992) and at the Theater Dortmund (1992-1995) roles such as the Papageno, Guglielmo, Jeletzky (on the side of Martha Mödl ), Danilo, Marcello and Sharpless sang. In 1995 Harry Kupfer took him into the ensemble of the Komische Oper Berlin , where he was a regular contributor until 1999, and then until 2005 guest roles such as dr. Hawk, harlequin, dandini, barber took over. Since 1999 Marco-Buhrmester is a freelance artist.
Since that time he has performed at the Theater Bielefeld as Lindorf / Coppélius / Miracle / Dapertutto ( Les contes d 'Hoffmann ), Conte di Luna ( Il trovatore ), Enrico ( Lucia di Lammermoor ), the title role in Nabucco or Peter Besenbinder ( Hänsel and Gretel ), as well as in the musicals Kiss Me, Kate as Fred / Petrucchio, as Galileo Galilei in the premiere of William Wart Murtas Starry Messenger or as Tony in West Side Story .He also sang at the Staatstheater Saarbrücken and Wiesbaden, at the Mannheim Theater, at the Oper der Stadt Bonn, at the Deutsche Oper Berlin , at the International Festival in Lucerne, at the Bergen Festival (Norway), at the Latvian National Opera in Riga and at the Opera Frankfurt.
In 2003, the baritone worked as a cover for Thomas Hampson in the role of Germont, which he later took over there, first with Daniel Barenboim and Peter Mussbach at the Staatsoper Unter den Lindentogether and was also for the season 2004/05 as Kothner in the Meistersinger of Nuremberg and for a concert (Lyric Symphony by Alexander Zemlinsky) with the Staatskapelle under the direction of Fabio Luisi invited.
Marco-Buhrmester made his debut in Bayreuth in 2001 in Die Meistersinger von Nürnberg , the last production of Wolfgang Wagner under the musical direction of Christian Thielemann . In 2002 he sang there, also under Christian Thielemann, in Tannhäuser , in 2004 he took over the role of Amfortas in Christoph Schlingensief's Parsifal under Pierre Boulez . In 2006 he made his debut in Bayreuth as Gunther in the Götterdämmerung , again under the direction of Christian Thielemann. He also sang at the Paris Opéra Bastille in 2005 as Melot in Peter Sellars'Staging of Tristan und Isolde under the direction of Esa-Pekka Salonen and then in the same production as Kurwenal under Valery Gergiev.
Since the season 2017/18 he is permanently engaged at the Theater Augsburg.