Romuald Tesarowicz studied singing and the double bass at the Secondary School of Music in Zielona Góra, Poland. He may boast a range of prizes, including the second prize at the Adam Didur Polish National Opera Competition, gold medal and the Roncorogni Award at Voci Verdiane in Busseto, Grand Prix and audience award at the 21st Moniuszko Competition in Kudowa Zdrój, and second prize at an opera competition in Barcelona. At the turn of the 1970s and 80s he was a soloist of the Representative Artistic Ensemble of The Polish Armed Forces, and subsequently – of the Silesian Opera in Bytom, where he made a debut as Skołuba in The Haunted Manor.
Since 1983 he has been a soloist of the Grand Theatre in Łódź, where has performed great bass roles in Mefistofele, Eugene Onegin, Lucia di Lammermoor, The Valkyrie, and Don Carlos, among others. Since 1989 he has also been collaborating with Opera Bastille in Paris, singing in The Queen of Spades, Madame Butterfly, Otelli, and The Marriage of Figaro, as well as La Scala in Milan, Opera di Roma, Teatr Wielki – Polish National Opera, and a range of opera houses in the USA and Germany.
Romuald Tesarowicz is an acclaimed performer of oratorios (Bach, Handel, and Haydn), Polish, French, Russian, and German songs, as well as contemporary music (Requiem, Te Deum, St Luke's Passion written by Krzysztof Penderecki). He has made a range of recordings for radio and television in Europe and the USA. On film he was a memorable Varlaam in Andrzej Żuławski's adaptation of Boris Godunov. He also contributed to a film and CD of The Baber of Seville for RAI and to Sergei Prokofiev's War and Peace for Erato Disque.