After ordination, he first obtained a licentiate in philosophy in Kinshasa (1991-1993), and served as formator and professor in the Saint André Kaggwa Major Seminary (1993-1996), academic secretary in the same Seminary (1996-1999), private secretary to the archbishop of Kinshasa (1993-1999), chancellor-secretary of the archdiocese of Kinshasa (1999-2006), and administrator of the Saint Paul parish in Evry in France (2007-2012).