Career
Bueno was born in Medina del Campo on 24 April 1940. He worked as an administrative clerk for most of his life. In the 1977 general elections he was elected to the Senate of the Constituent Assembly for Cantabria on the list of the Union of the Democratic Centre.
He received 103,000 votes, the most of all elected Senators in Cantabria.
In 1979 his term in office ended. Between 1993 and 2000 he served two further terms in the Senate, this time for the People"s Party.
Bueno had moved to Torrelavega in Cantabria as a child. As an historian Bueno took a particular interest in the city, collecting information on it and working together with others on the book Torrelevega 1900.
He served in the municipal council of the city between 1991 and 1999.
He died on 7 January 2015 of cancer.