Rocío Robles joined Antena 3 TV's Commercial Department in 1998 as a Sales Executive. Later, she worked as Sales Analysis and Management Executive and was appointed Head of Sales Analysis and Management in January 2001.

Subsequently, she moved to the Operations Department of Antena 3 TV as Head of the Advertising Planning Team.

For a decade, from 2005 to 2015, Ms Robles headed the Product Department within the Operations and Marketing Department of Atresmedia Publicidad. Since 2016, Rocío Robles has served as the Head of Operations and Sales Policy for this Division. Her responsibilities include overseeing the Atresmedia TV channels (Antena 3, laSexta, and enfocados), Onda Cero, Europa FM, and digital media (including the Atresmedia and Smartclip websites), among others.

She co-authored the book 'De Antena 3 a Atresmedia pasando por laSexta' (Ediciones Deusto, 2016) with Javier Bardají.

Additionally, Rocío Robles has worked as a lecturer at the Villanueva University Centre.