was born in Eilenburg (Germany). His father was a clarinetist himself as well as his grandfather and great-grandfather. During his studies in Leipzig he won the Gewandhaus scholarship, became solo-clarinetist of the Gustav Mahler Youth Orchestra and also won a scholarship of the Berlin Philarmonic Orchestra Academy. In 1997, at the age of 24, he was appointed solo-clarinetist of the Berlin Philharmonic Orchestra, a position he held until 1999. Besides various recordings with the Berlin Philharmonic Orchestra conducted by Sir Georg Solti, Claudio Abbado, Daniel Barenboim, Nicolaus Harnoncourt and Günther Wand, he recorded a Verdi-CD with Roberto Alanga (la forza del destino "La vita e inferno"-EMI). He has been solo-clarinetist as well as founder member of the Mahler Chamber Orchestra and played in major orchestras such as the Chamber Orchestra of Europe, Deutsche Oper Berlin, NDR-Sinfonieorchester Hamburg, MDR-Sinfonieorchester Leipzig, Deutsches Sinfonieorchester Berlin, BR-Sinfonieorchester München and the Deutsche Kammerphilharmonie Bremen. He has performed at international festivals as a soloist and in chamber music, many of these concerts being recorded by radio stations in Germany, France, Switzerland and Italy. Marco Thomas was appointed professor for clarinet at the Hochschule für Künste Bremen in 2000.