The German tenor, Johannes Weiss, studied viola da gamba and harpsichord before switching to singin. As an instrumentalist, he successfully took part in several chamber music competitions from 2001 to 2005: Van Wassenaer Den Haag, Biago-Marini Neuburg/Donau, The Polytechnical Society Frankfurt am Main and Alte Musik Treff Berlin. From 2002 to 2006 he studied classical singing with Hedwig Fassbender at the Hochschule für Musik und Darstellende Kunst (Conservatory for Music and Performing Arts) in Frankfurt am Main. While there he attended master classes with Emma Kirkby, Christoph Prégardien, Ernst Haefliger, David Wilson-Johnson, Guillemette Laurens and Thomas Heyer. During his time at the Conservatory in Frankfurt, he also won the scholarship of the Yehudi-Menuhin-Foundation.
Johannes Weiss was member of the Freies Landestheater Bayern from 2002 to 2004 and performed in the world premiere of Lola Montez by Peter Kreuder, among other works. In 2006-2007 season he was a member of Atelier Lyrique at the Opéra National de Paris, and he has been teaching historical performance practice at the Hochschule für Musik in Mannheim since 2008.
As a concert singer, Johannes Weiss specializes in early music pieces before J.S. Bach as well as the 18th century oratory repertoire.
A selection of his stage roles in opera: Hans Scholl in Die Weiße Rose by U. Zimmermann at Theatertage Wiesbaden; Galgenvogel in Die Drei Rätsel by D. Glanert) at the Frankfurt opera house; Don Ottavio in Don Giovanni by W.A. Mozart in Wetzlar; Vinzenz in Der Holledauer Fidel by E. Kutschenreuter at Freies Landestheater Bayern; Nussbaumer in Lola Montes by P. Kreuder at Freies Landestheater Bayern / Deutsches Theater München; male chorus in The Rape of Lucretia by Benjamin Britten) at l'Athénée Théâtre Louis-Jouvet Paris and at the Gdansk opera house; ein Diener in Capriccio by R. Strauss at the Opera-Garnier in Paris; Ernst Röbel in Frühlings Erwachen by B. Mernier at the Royal opera house La Monnaie Brussels; Atis in Croesus by Reinhard Keiser) at Staatstheater Wiesbaden; Learco in Antigona, by J. Myslivecek) at the National Theatre in Prague; Céix in Alcione by M. Marais) at Odeon-Theatre in Vienna; ein Jude in Salome, by R. Strauss at at the Opéra Monte Carlo; Mercure/Télème in Les Fêtes d'Hébé by J.Ph. Rameau at the Markgräfliches Opernhaus in Bayreuth; Jasion in Der Streit der Jahreszeiten by Reinhard Keiser in Nürnberg;.Saropes in Sardanapalus, by J. Chr. Boxberg in Gotha.