[8] Coello made her television debut in an episode of Ecuavisa's De la vida real on serial killer Daniel Camargo Barbosa and would continue to appear in many dramatizations in that series.

She also appeared as a guest on TC Televisión's Archivos del destino and played in Solteros sin compromiso and Historias personales.

In 2005, Coello made a brief appearance on the soap opera Corazón Dominado and two years later played in another, RedTeleSistema's Cholicienta, as Doña Victoria.

[1][2][4] In 2010 she directed the play Los pintores no tienen recuerdos, a theatrical adaptation of the literary work of the same name by the Italian Dario Fo.

In early 2014, she directed the play Monogamia, by Chilean playwright and psychiatrist Marco Antonio de la Parra, and her son Adrián was the producer.