[3] Like Teodoro Obiang Nguema Mbasogo, he attended the General Military Academy in Zaragoza.
[4] During the dictatorship of Francisco Macías Nguema he served as governor of Bioko Island, formerly known as Fernando Pó, but in 1975 he was removed from the role and imprisoned in the Playa Negra prison.
In 1979 he participated alongside Obiang and other soldiers in the coup d'état that overthrew the dictator Francisco Macías Nguema,[4][5] during whose regime Seriche Bioko was imprisoned in the Playa Negra prison.
[6] In 1982, after a new new constitution came into force, Seriche Bioko assumed the position of prime minister of Equatorial Guinea, operating with limited power alongside Obiang, who was president.
After the Democratic Party of Equatorial Guinea was founded by President Obiang in 1987, Seriche Bioko joined it as did almost all politicians in the country.