Leyte was born in Vigo and was the mayor of Cartelle between 1991 and 2017.[2]
In addition to her role in parliament, Leyte has been serving as a member of the Spanish delegation to the Parliamentary Assembly of the Council of Europe since 2018. In the Assembly, she is a member of the Committee on Social Affairs, Health and Sustainable Development (since 2020), Sub-Committee on the Europe Prize (since 2020), Sub-Committee on Children (since 2020), the Sub-Committee on Public Health and Sustainable Development (since 2019) and Committee on Migration, Refugees and Displaced Persons (2018–2019).[3] In this capacity, she authored a 2022 report on vaccine-preventable diseases.[4]