Valeria Mazza was born on February 17, 1972 in Rosario, Santa Fe, Argentina. She was born to Raul and mother Monica. Valeria always wanted to be a model. it was a friend of her parents that helped her get her first job as a model. Valeria pursued her career but this did not prevent her from completing her graduation. She studied therapy for the disabled and so she loved working with the people.

Like the other models, Valeria too moved to New York to pursue her modelling career. She made it ina big way and appeared in a number of fashion shows, magazine covers and advertisements. Fame came to her when she appeared for the first advertising campaign - the Caro Cuore, Ragazza line in 1992. She appeared on the cover of Cosmopolitan in September of 1992, her first magazine cover. What brought he rtrue success was her work for Guess? in 1995. This was first international advertising campaign. She was photographed in Hawaii by Dewey Nicks, in which she appears with model Ingrid Seynhaeve. Valeria's next campaign is set in typical Los Angeles style: laid-back and elegant. She also appeared on the cover of Sports Illustrated's swimsuit issue with Tyra Banks in 1996.

Some of her other work includes Gianni Versace in Milan, Italy, in 1992. She presented the San Remo's Festival, and the parade in Piazza Espagna. (Both in Italy, 1996) She presented the MTV fashion program, and as well as their Latin program, House of Style. 

She appeared in a European hosiery commercial with Antonio Banderas and can be seen in Pepsi's Generation Next spots. She has appeared on the cover of US Glamour, US and French Cosmopolitan, Elle Argentina, as well as many other Latin American publications.

She has graced runways in Paris, Milan and New York. Living between Paris and New York, Valeria tries to see her family and friends back in Argentina as often as her busy schedule allows. No matter how busy she gets, though, she always has time for her Gameboy, her favorite pastime. Although she finds it addictive and hard to put down once she starts playing, she uses it to pastime on planes. 

In July 1998 she tied the knot with Buenos Aires businessman Alejandro Gravier. Valeria mazza is someone with a very good heart which helped her to be considerate towards the less fortunate people. She always spent her spare time in helping those who need her.