János Ádám was born in the Romanian town of Vaskohsziklás (Ștei) in 1965 and studied at Ady Endre High School in Nagyvárad (Oradea) and the Technical University of Kolozsvár (Cluj-Napoca).
Principal roles at the Hungarian Opera of Kolozsvár:
Kálmán: The Gypsy Princess – Mishka, Boni
Kálmán: Countess Maritza – Zsupán
Kálmán: Die Bajadere – Napoleon St. Cloche
Kálmán: The Circus Princess – Prince Sergius Vladimir
Ábrahám: Victoria and her Hussar – Jancsi
Ábrahám: Ball at the Savoy – Mustapha Bey
Huszka: Baroness Lili – Fred
Huszka: Lieutenant Mary – Tobias Zwikli
Huszka: Gül Baba – Mujko
Szirmai: Miska the Magnate – Miska
J. Strauss: Die Fledermaus – Frosch
Jakobi: Sybill – Poire
Farkas: Csínom Palkó – Tyukodi
Venczel–Moravetz–Csép: Matthew on the Scaffold – Marzio
Venczel–Moravetz: Ali Baba and/or the Forty Thieves – Ali Baba
Principal roles at the Hungarian Opera of Kolozsvár:
Kálmán: The Gypsy Princess – Mishka, Boni
Kálmán: Countess Maritza – Zsupán
Kálmán: Die Bajadere – Napoleon St. Cloche
Kálmán: The Circus Princess – Prince Sergius Vladimir
Ábrahám: Victoria and her Hussar – Jancsi
Ábrahám: Ball at the Savoy – Mustapha Bey
Huszka: Baroness Lili – Fred
Huszka: Lieutenant Mary – Tobias Zwikli
Huszka: Gül Baba – Mujko
Szirmai: Miska the Magnate – Miska
J. Strauss: Die Fledermaus – Frosch
Jakobi: Sybill – Poire
Farkas: Csínom Palkó – Tyukodi
Venczel–Moravetz–Csép: Matthew on the Scaffold – Marzio
Venczel–Moravetz: Ali Baba and/or the Forty Thieves – Ali Baba
