Castelli was born in Turin. After the graduation with a Bachelor's degree in Business Economics, she worked for a short period in a tax assistance center.[1]
In the 2013 general elections, she was elected Deputy among the ranks of the Five Star Movement. She was re-elected Deputy in the 2018 general elections. After participating in the drafting of the so-called "government contract" between Five Star Movement and League, on 12 June she was appointed Undersecretary at the Ministry of Economy in the Conte Government.[2]
On 21 March 2019 she was promoted, together with Massimo Garavaglia (Lega Nord), Deputy Minister of Economy.[3] She was confirmed Deputy Minister in the Conte II Cabinet.
On 28 June 2021 the tribunal of Turin has convicted Laura Castelli for aggravated defamation. The proceeding concerned a post on Facebook in which she edited a photo to make believe a flirt between Piero Fassino and a PD candidate for the 2016 administrative elections, Lidia Roscaneanu. She was sentenced to a fine of 1,032 euro and a damage compensation of 5,000 euro.[4]
