While he was Director General of Hydrocarbons, Samuel Dossou-Aworet also held the position of Gabon's National Representative to the African Petroleum Producers Association (APPA), from 1988 to 1992.
Since, Tullow had successful endeavors in Africa namely in Ghana with the Jubilee Oil Field In 2012, a joint venture including Dossou's company Petrolin Trading Ltd. acquired 45% participating interest held by Shell, Total and Eni in Block OML 34[7] in Nigeria via an international invitation to tender.
ND Western Limited, the new independent Nigerian oil and gas exploration and production company won and Samuel Dossou-Aworet became its chairman and main shareholder.
On Septembre 2017, Samuel Dossou-Aworet was unanimous elected[10] President of the African Business Round Table (ABR).
Samuel Dossou-Aworet has contributed to the wellbeing of the African population, long before the creation of his Pan-African NGO, Fondation Espace Afrique (FEA), recognized as public utility by Geneva in 1996 and by Benin 2004.