Mboweni is a founding member of Mboweni Brothers Investment Holdings and a former international advisor of Goldman Sachs International.[4] He has been appointed as a non executive Director for South Africa at the New Development Bank (BRICS Development Bank).
Mboweni hi wun'wana wa vasunguri va vuvekisi bya timali bya vabuti va ka Mboweni leyi ku nga Mboweni Brothers Investment Holdings na mutsundzuxi wa international advisor of Goldman Sachs International.[3] U langiwe ku va non executive Director wa Afrika Dzonga eka New Development Bank (BRICS Development Bank).