Arena Martinez (Madrid 1993), is the founder and director of Arma Gallery, a phygytal art gallery; and of the fashion brand Arena Martinez, of which she is also a designer.

She was born into a family of artists, art collectors and profound art lovers. She has been involved in the art scene since she was a child. She has worked in auction houses, galleries and art fairs throughout her career. Arena has also participated in panel discussions at prestigious international art fairs to talk about art collecting and wants to explore new ways of showcasing artists' talent.

With its fashion brand, Arena Martinez, it has captured paintings by national artists on clothing, making it the first fashion brand that has used collaborations with artists as its raison d'être, beyond a one-off collaboration; offering a different alternative to the fashion world, creating a culture of wearing works of art. Offering its customers the opportunity to interact more intimately with contemporary art and supporting Spanish artists by making their work walk the streets and have more visibility.