Gianna has a degree in Law, and graduate degrees in Social Policy and in International Relations. She also took courses in data journalism, teaching skills, training for trainers, critical thinking, electoral observation, conflict mediation. She collaborated with NGOs in Belgrade, Prishtina, Lisbon, and is a conflict mediator, editor, proofreader and translator. She is a member of the Coordinating Collective of DiEM25 - Democracy in Europe Movement and a member of the European Forum for Restorative Justice.