He made his debut as a soloist in Faust (1927, 1929). Since 1929, he served as principal member of the Third Greek Opera Company and participated in tours, during which he sang in six basic repertoire operas in Thessaloniki (1931/32). On 4/3/1930 he participated in the Greek premiere of Mozart's Coronation Mass / Krönungsmesse under Filoktitis Economidis. He worked as a singing instructor. He cooperated with the GNO during the years 1943-1959, interpreting leading and, mostly, supporting roles in nine operas and eight operettas, in 85 productions and/or αναβιώσεις of 18 works. Among other roles he interpreted the following: Don Bartolo (Il barbiere di Siviglia), Lord Tristan Mickelford (Martha), Andrès, Cochenille, Pitichinaccio and Frantz (Les contes d' Hoffmann), Alcindoro and Benoît (La bohème), title role in Don Pasquale, Sacristan (Tosca), title role in Fakanapas by Dionysios Lavrangas (first presentation), Antonio (Le nozze di Figaro), Jailer (La forza del destino). He was especially renowned for his interpretations in operetta roles, such as: Baron Mirko Zeta and Njegus (Die lustige witwe), Enterich (Der Bettelstudent), Zacharoulis (The Godson / O vaftistikos), Schnurpel (Der Vogelhändler), Christian Tschöll (Das Dreimäderlhaus), Joachim XIII (Ein walzertraum), Giakoumis (The Streetwalker / I Ginaika Tou Dromou), Bartucci (Paganini). He also served as head of human resources at the GNO. A complete recording (1957) of the operetta "In the Barracks" of Theophrastos Sakellaridis, where Molotsos sang and Totis Karalivanos conducted, is extant in the archive of the Hellenic Broadcasting Corporation (ERT). // Last update of the biography: December 2015 - The list of productions below is continually updated.