Giusella holds a degree in Law from the University of Bologna.
Since 1997, she has been Full Professor of Private Law at the University of Bologna, undertaking numerous scientific collaborations alongside her academic career at the national and international level.
In 2001, she became the founder and partner of the Law Firm Finocchiaro specializing in Internet Law and IT Law and, in 2021, she was the Co-founder and Partner of the law firm DigitalMediaLaws S.r.l., which specializes in legislation for new technology, privacy, e-commerce and electronic signatures.
From 2016 to 2019, she was standing Auditor of Cassa Depositi e Prestiti S.p.A.