Mario Vaquerizo has worked as a Spanish media contributor to Spanish newspapers El País and La Razón, magazines such Vanidad, Primera Línea, Rolling Stone, In Touch, and Canal+, a French premium cable channel. In 1999, he began collaborating with the advertising department at the record company Subterfuge.

He was also the press agent for various Spanish musical groups such as Fangoria, Dover, Merche and Silvia Superstar, as well as actresses Elsa Pataki and Leonor Watling. In addition, under the stage name Nancy Anoréxica, he is the lead singer of a Spanish pop group ” Las Nancys Rubias” which specializes in band covers. Other members of the group are Susie Pop, Marta Vaquerizo, Juan Pedro and Miguel. They have released five albums with Warner Music, their most famous songs being Peluquitas, Me Da Igual, Salvame, Corazón de Hielo o Di que si. In 2014, Mario Vazquerizo published a book titled, Fabiografía; written in the first person, it is the biography of Fabio McNamara, an important figure in the La Movida Madrileña counterculture scene.