Mijo Denoix de Saint-Marc

Mijo Beccaria, née Marie-Josèphe Denoix de Saint Marc, (4 November 1933 – 3 October 2024) was a French editor.

Biography Born in Lyon on 4 November 1933, Beccaria was born into a noble family from Périgord. She was the younger sister of French Resistance fighter Hélie de Saint Marc. She was educated at the Institution des Dames du Sacré-Cœur in Bordeaux and the Faculty of Letters at the University of Bordeaux. She was closely linked with as a consultant with until 1965.

In 1970, Beccaria joined La Maison de la bonne presse in 1970, which merged into Bayard Presse. In 1966, she co-founded the magazine with Anne-Marie de Besombes following inspiration from her husband. She also participated in the creation of youth magazines such as , J'aime lire, , , and . In 1994, she became director-general of the Bayard group before serving on its management board. She also served as vice-president of the board of directors of and served on the advisory board on sexual abuse of the Bishops' Conference of France. She was later named Commander of the Legion of Honour.

Beccaria died in Paris on 3 October 2024, at the age of 90.