Leo Igwe is both a scholar and an activist. He holds a B.Phil and an M.A in philosophy from Seat of Wisdom Seminary Owerri and University of Calabar in Nigeria and a doctoral degree in religious studies from the University of Bayreuth in Germany.
Before embarking on an academic study of religion, Igwe founded the Nigerian Humanist Movement (now the Humanist Association of Nigeria) and worked for some years for the International Humanist and Ethical Union in the UK and the Center for Inquiry in the US.
He was the guest professor (Winter Semester 2018/2019) at the Catholic University of Applied Sciences in Munich, Germany. He has researched witchcraft, religion and atheism in Nigeria, Ghana, Kenya and Zambia.