Her career has included growing a company in the construction sector that she created with her husband, four years at France Telecom, and later at Dell.

In 2006 she obtained an Executive MBA from ESSEC Business School and the University of Mannheim.

[4] Under Moreno's leadership, the French government successfully introduced a bill intended to protect victims of domestic violence, allowing doctors to break patient confidentiality if they believe a life is "in immediate danger".

[5] In January 2022, Moreno and Agnès Pannier-Runacher jointly published a book on feminism.

[6] In the 2022 French legislative election, Moreno contested the 9th constituency for French residents overseas but was narrowly beaten by Karim Ben Cheïkh from Génération.s (NUPES) in the second round.