Marialena obtained a Bachelor of Laws at the National Kapodistrian University of Athens in 2021.
She has worked as a trainee lawyer in various Greek Public Authorities, including the Hellenic Telecommunications & Post Commission. She also holds a certificate of legal translation in English.
In 2023 she received her Master's degree in Specialized Public Law from the National Kapodistrian University of Athens, in collaboration with the Faculty of Law of the University of Bordeaux.
In 2024, she joined SKANDAMIS AVOCATS as a qualified attorney-at-law.