Rev. Joseph John Hayab is the Field Representative for GPF Nigeria. He has served as the Resident Pastor of several Baptist churches in northern Nigeria since 1996 and as Chairman and member of the boards of trustees of various NGOs in Nigeria. Rev. J.J. Hayab currently serves as the Kaduna State Coordinator of the Faith Actors Dialogue Forum (FADF).

As a clergyman, he has been a member of the Kaduna State Inter-Religious Harmony Committee for over 25 years. From 2010 to 2015, he served as Special Adviser on Religious Affairs, Christian Matters, to two former governors of Kaduna State.

He is the current Chairman of the Northern Christian Association for the 19 States and the Federal Capital Territory. Rev. Hayab is an alumnus of the International Visitor Leadership Program (IVLP) on interfaith leadership and human rights.

Rev. Hayab has received numerous awards, including the Global Peace Interfaith Leadership Award in Manila, Philippines, in 2017.