[4] He was head of the research department of the Graduate Institute of Development Studies attached to the University of Geneva[5] and an advisor to the Special Rapporteur of the United Nations Commission on Human Rights.

[6] He is head of the Anti-Racism Information Service (ARIS)[7] While in exile in the early 1970s, Eya Nchama, J.B. Mbia Mbida Essindi and others founded the ANRD (Alianza Nacional por la Restauración Democrática de Guinea Ecuatorial), which would be the main opposition to the Equatorial Guinean dictatorship.

He was a fervent opponent of Macías Nguema, succeeding in 1976 in breaking the forced silence on the subject by then fascist Spanish government, presenting a detailed report to the UN Human Rights Commission.

[citation needed] After the fall of Macías Nguema and the succession by Obiang in September 1979, he coined the phrase "it's the same dog with a different collar", which gained him considerable notability.

[4] Some years after his naturalisation, Eya Nchama was appointed head of the municipal council of Grand-Saconnex near Geneva, being the first black person to reach such a position in Switzerland.