Boukoubi was born in Dolisie, located in Congo-Brazzaville, in 1954,[1][2][4] and is from the Ogooué-Lolo Province of Gabon.
[1][2][4] He served only briefly as a Minister-Delegate before becoming the Deputy Director-General of the Gabonese Union of Banks[2][4] later in 1994.
[2] He remained in the latter post until[2][4] he was appointed to the government as Minister of Public Health and Population on 28 January 1997.
[6] On 25 January 1999,[7] Boukoubi was appointed as Minister-Delegate under the Minister of State for Public Health, Population, and Social Affairs, but he was quickly promoted back to the position of Minister of Public Health and Population on 10 February 1999.
[9] He was moved to the position of Minister of Agriculture, Animal Husbandry, and Rural Development on 5 September 2004.