[1] Rosety began his career at Radio Gijon in 1975, while also serving as the sports editor at El Noroeste.
In 1997, he left COPE to join the Radio Voz network, where he served as director of sports and assistant to the CEO.
During this time, he also served as an investigative journalist at Diario 16, and wrote columns in La Voz de Galicia.
He collaborated with Marca and Telemadrid until he was appointed Media Director and, in 2007, assistant to the President of Real Madrid.
He continued in this capacity until he joined the Royal Spanish Football Federation in 2009, first as Media Director and later as assistant to President Ángel María Villar.