Diana was born in Leiria in 2000.

She graduated from the Faculty of Law of the University of Lisbon, where she also attended the Advanced Postgraduate Course in Banking Law.

She did a summer internship at a law firm in individual practice in 2021 and later, in 2022, at the law firm AAMM- Abecasis, Moura Marques & Associados.

In 2022, she joined the law firm AAMM - Abecasis, Moura Marques & Associados, as a trainee lawyer, working mainly in the Civil, Litigation and Administrative Litigation areas.

She joined PLEN in September 2023.