Born in Badajoz, Bueno started her career as news director of the local station of Radio Nacional de España (RNE) in Extremadura and later was transferred to Aragón.

In 1991 Bueno joined Televisión Española to anchor the regional news bulletin in the Territorial Center in Andalucia.

In September 1996, along with Jose Toledo [es], she began directing and anchoring the current affairs show Gente.

In 2004, soon after Fran Llorente was hired as news director of Televisión Española, Bueno was selected to substitute Luis Mariñas in the breakfast interview program Los Desayunos de TVE, a position she held until 2009.

[3] In September 2009, Bueno was hired as anchor of the nightly edition of TVE's flagship newscast Telediario after Lorenzo Milá was named as correspondent to Washington, D.C.[4] In 2012 Bueno left TVE soon after was hired by Cadena SER to host, along with Gemma Nierga the most listened to radio show in Spain, Hoy por hoy.