After graduating in Spain in 2002, Yaiza worked in the Canary Islands, which is where she is originally from, and Germany for a little while before moving to the northwest of England in 2011. She is a member of the Academy of Feline Practitioners and gained her ISFM Advanced Certificate in Feline Behaviour in 2020. Yaiza currently works as a cat-only vet and as community coordinator of the International Society of Feline Medicine. She has two cats, a dog and a horse. Yaiza joined FirstVet in June 2020.