Joseph was born in northwestern Ghana. He joined Christian Outreach Fellowship in 2007. Joseph ministers to the Tampulma people group in West Gonja District of the Northern Region. The Tampulma largely profess ethnic religion but Islam is making in-roads among them. Their region has been nicknamed ‘overseas’ owing to its inaccessibility during the rainy season when the White Volta floods. Joseph and his wife Fatima have seven daughters and three sons.