Her work reflects her great interest in the European Middle Ages and specially in the history and traditions of the Basque Country.

Esperanza "Toti" Martínez de Lezea García was born in 1949 in Vitoria-Gasteiz, the capital city of Álava in the Basque Country.

She began her undergraduate degree and moved to the region of Goierri of Gipuzkoa, where she stayed for one year studying the Basque language.

Together with her husband and other young people of the locality of Larrabetzu from Biscay, where she resides, she founded the street theatre company Kukubiltxo, in which she participated for five years.

In 1985 she began collaborating with the Basque public television, Euskal Telebista, with a 13-chapter-series about nature themes.