Since October 2009, he has been Minister for Relations with Parliament and the Constitutional Institutions, Regional Integration, and NEPAD, in charge of Human Rights.
[3] After about 19 years in the latter post, he was appointed to the government as Minister of the Economy, Finance, Budget, and Privatization[1][4] on 25 January 1999.
[4] Considered a competent and respected technocrat, Doumba was appointed as Minister of Finance to resolve a fiscal crisis caused by decreased oil revenue and overspending.
Although Doumba was successful, some other members of the regime disliked his reliance on austerity measures, concerned that their own interests could be adversely affected.
[4] President Omar Bongo's decision to remove him from the Ministry of Finance was attributed to the opposition his austerity measures had engendered among other members of the regime.