In June 2007, the soprano Lenia Zafeiropoulou appeared at the London Royal Festival Hall with the Philarmonia, conducted by Paul Daniel, in the context of the celebrations for the reopening of the concert hall, located in the South Bank Cultural Centre. The Onassis Foundation scholarship holder performed the soprano solo from Beethoven’s 9th Symphony.
On the 22nd of June she appeared at the Athens Concert Hall (Megaron) together with the Athens State Orchestra, conducted by Andreas Pylarinos, where she performed the aria "Bella mia Fiama" by Mozart and the part of Desdemona from the fourth act of Verdi’s Othello.
Lenia Zafeiropoulou studied violin, piano, theory, harmony, counterpoint and song in Athens. She continued her studies at Stuttgart’s Hochschule für Musik und Darstellende Kunst (State University of Music and Performing Arts) from where she graduated with a Diploma in piano, and in song and a postgraduate Diploma in song. She attended seminars and received scholarships from the “Maria Callas Scholarships” association and the Onassis Foundation.
She has appeared at the Pula Festival in Croatia, staring in the operas La Clemenza di Tito by Mozart and L’Assedio di Corinto by Rossini, as well as at the Kiev Festival in the role of Miss Jessel in the GSMD production of Benjamin Britten's opera, The Turn of the Screw.
The Onassis Foundation scholarship holder has interpreted many important roles of lyrical theatre, such as Mimi in Puccini’s opera Boehm, Donna Anna in Don Giovanni, Fiordiligi in Thus do they All, Rosina in The Pretended Simpleton, all by Mozart, Tartagliona in L’Augellino Belverde - The Little Green Swallow by Dove and Alice Ford in Verdi's Falstaff.
In November 2005 she gave a rendition of an aria from The Pretended Simpleton for BBC's show "In Tune" and during the same month she was a finalist in auditions by the Covent Garden Royal Opera for the Jette Parker Young Artists Program.
In January 2006, following auditions by ERT’s (Hellenic Broadcasting Corporation) 3rd Program, Lenia Zafeiropoulou represented Greece in the Pan-European "New Talents" Competition organized by The European Broadcasting Union (EBU). During the period 2006-2007, she was offered a place in London’s National Opera Studio.