At the age of 14, she started her vocal studies at the Athens Conservatoire and trained as an opera singer, namely a lyric soprano.

The following year, she took her degree with honours and was awarded a state scholarship to continue her studies in Rome at the Accademia Nazionale di Santa Cecilia.

At about that time Yovanna began collaborating with the Radio of Geneva, Switzerland, and as its representative, she gave concerts named "Musique aux Champs-Élysées" at many concert halls all over Europe (France, Italy, Switzerland, Germany, Belgium).

[1] Performed as the last song in the contest, "Non, à jamais sans toi" finished in eighth place of the 18 competing entries.

In 2011, during a solemn ceremony at the Rustaveli National Theatre the Mayor of Tbilisi bestowed honorary citizenship on Yovanna.