[1] Ponsa holds a degree in art history from the University of Barcelona and master's degree in public management from the Autonomous University of Barcelona.

[2] As a member of the Convergència Democràtica de Catalunya, she has been a member of the Sant Cugat city council, Vallès Oriental comarca council and president of the Culture sector since 2008.

She has been the spokesman for the parliamentary group of CiU in the Commission of Culture and Language of the Parliament of Catalonia.

In July 2019 she was appointed Director General of Creation, Territorial Action and Libraries in accordance with a new restructuring of the Department.

[2] On 3 September 2020, in a reshuffle of the Government, she was chosen by President Quim Torra to replace Mariàngela Vilallonga Vives as Minister of Culture of the Generalitat de Catalunya.