Diana Mendoza was born in Junin, Peru. Although she does not like to tell her age, but she graduated in the sixties from the Escuela Nacional de Bellas Artes with one of the highest awards in the speciality of Painting and Drawing and, also, as Professor of Painting. She has worked as a teacher and as designer before devoting her entire time to painting. She is, also, an accomplished musician and mother of several children.

Diana has participated in several exhibitions, including:
Galeria Entre Nous, Lima(1983)
Arte Popular de Peru, Salvador, Brazil(1984)
Universidad de Bahia, Brazil(1986)
Galeria Panorama, Bahia, Brazil(1986)
Country Club Jacaranda, Bahia, Brazil(1988)
Club Ancash, Lima, Peru(1988)
Asociacion de Artistas Plasticos del Peru(1988)
Galeria Picasso, Lima, Peru(1988)
Casa de la Cultura, Manaos, Brazil(1992)
Palacio de Cultura, Rio de Janeiro, Brazil(1992)
Instituto Peruano Norteamericano, Lima, Peru(1993)
Galeria Chagall, Lima, Peru(1994)