A former athlete, Fuentes moved into sports medicine in the 1980s, working with Spanish track and field athletes.
Married Cristina Perez, a Spanish Olympic hurdler in 1988.
Moved away from working in athletics to cycling in 1992 and went on to have stints at Spain's two most successful teams, ONCE and Kelme.
Retired from involvement with cycling in 2005.
Police found 200 bags of frozen blood and plasma when they raided Fuentes' offices in 2006.
Fuentes received a one-year suspended sentence for endangering public health on 30 April 2013.
Talking about the blood-boosting drug involved in
the case of disgraced cyclist Lance Armstrong,
John Fahey, said: "I simply say this about football - they are not testing enough for EPO. They can do more and we encourage them to do more."
Previously, blood testing has only taken place at European Championships.
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