Lumembo holds degrees in sociology, demography and theology. After working 10 years in his native Congo with the national Institute of Statistics and the United Nations Funds for Population Activities (Maternal Health & Family Planning), Lumembo migrated to the Caribbean where he spent 7 years (1995-2002) working as a United Nations Volunteer Specialist in household surveys and statistics. After relocating to Toronto, Canada in 2002, Lumembo studied Theology with Concordia Seminary and was ordained on December 09, 2009. He has served in LCMS congregations and has been active in Canada as Assistant Pastor, Volunteer Pastor, Replacement Pastor and in teaching, radio, outreach and media ministries.