Singer Thomas Mohr received his training at the musical academy of Lübeck, where he gained his diploma and passed his concert examination with distinction. While still a student he won first prizes at s’Hertogenbosch, at the VDMK competition in Berlin and at the Walther Gruner competition in London. He pursued further studies with Anna Reynolds, with whom he still continues to work today. After contracts at Bremen and Mannheim he joined the company of the Bonn opera and worked there with such renowned directors as Giancarlo del Monaco, Jürgen Rose, Werner Schroeter, Andras Fricsay and Andreas Homoki, studying important baritone parts such as Silvio, Albert, di Luna, Lescaut and Germont père. Besides these, Mohr also scored successes as Eisenstein, Peter the broom-maker, Count Almaviva and Papageno. On the concert platform his attention centred on Orff’s “Carmina burana”, Brahms’ “German Requiem” and Britten’s “War Requiem”.

Thomas Mohr has been a free-lance singer since 1997. His widespread activities have led him to many of the most important concert halls of the world and to famous opera houses including the Bavarian State Opera in Munich, the Zürich opera and the Semper opera in Dresden. The renowned conductors with whom he has worked include Kent Nagano, Nikolaus Harnoncourt, Gerd Albrecht, Lorin Maazel, Leonard Slatkin, Antonio Pappano, Christoph von Dohnányi, Rafael Frühbeck de Burgos, Bernhard Klee, Sir Georg Solti and Zubin Mehta. Since his Los Angeles Philharmonic debut in 2000 he has been invited to sing for the Kammerphilharmonie in Bremen, the Bavarian Radio Symphony, the Boston Symphony and the Tanglewood Festival.

Thomas Mohr recently underwent a change in vocal category: in the 2005/6 season he made highly successful appearances as Idomeneo and as Siegmund in Robert Carsen's "Nibelung's Ring", and April 2006 saw his much noted debut as Parsifal in Erfurt. Afterwards he made his debut as Max in new “Freischütz” productions at Cologne and St. Gallen, as Officer in Hindemith's "Cardillac" at Dresden's Semper Opera as well as Loge in Wagner's "Rheingold" at the Leipzig Opera. His concert activity included among other things for the first time Mahler's "Lied von der Erde" with the Gürzenich Orchestra of Cologne. His next highlight will be the role of Siegmund in a new "Ring"-production in Halle and Ludwigshafen. 

Since the winter term of 2002/2003 he has been teaching singing as professor in ordinary at the Bremen academy of the arts.