Traubner was born in Ilava on 2 May 1941, to a Jewish family, which faced persecution by the Hlinka Guard.

The family hid in a disused military bunker hidden deep in a forest, leaving all their possessions behind.

As a medical student, he moonlighted at a morgue to support himself, as his family fell into poverty after a sudden death of his father due to a stroke.

[3] In addition to medical and academic career, Traubner was active as the honorary chairman of the Central Association of Jewish Religious Communities (UZZNO) and of B'nai B'rith.

[4] In 2001, he was awarded the Pribina Cross, 2nd class for his medical and academic achievements by the president Rudolf Schuster.