[3] He became a civil servant during the French colonial administration.

Tsiebo became one of the founders of Social Democratic Party of Madagascar in 1956.

[2] In October 1960, he was elected as the president of the new National Assembly,[3] but left that position in November 1960 upon appointment as Vice President of Philibert Tsiranana.

[3][4] He was given additional portfolio as minister of labour and social legislation in 1965.

[2] Tsiebo lost his political position alongside Tsiranana in October 1972.