[6] Part of his earlier education was at the Presbyterian Training College at Akropong in the Eastern Region of Ghana, where he studied pedagogy and theology.
[7] He went to England to study jurisprudence at the Middle Temple, London and was called to the Bar in 1940 after having taken 18 months to complete a three-year course passing with distinction - earning recognition from the Queen's Council.
[8][10] He also published books on various legal topics and was an authority on traditional African land-tenure system.
[13] Nii Amaa Ollennu was one of the Accra representatives in the Gold Coast Legislative Assembly during the early 1950s.
[14][15][16] Ollennu was thus in opposition alongside Busia and Danquah to Nkrumah's Convention People's Party.
[citation needed] During the second republic, Ollennu was the Speaker of the Parliament of Ghana from October 1969 to January 1972.
This was a ceremonial presidency as executive power was held by the prime minister, Kofi Abrefa Busia.
[18] His first wife was Emily Jiagge of Keta in the Volta Region whose grandfather was Togbui Tamakloe, Chief of Uti.