Nicholas Duncan-Williams (born 12 May 1957) is the Presiding Archbishop and General Overseer of the Action Chapel International (ACI) ministry, headquartered in Accra, Ghana. He is the founder and father of the Charismatic Movement which started 40 years ago in Ghana and other parts of West Africa. CAFM, one church in many locations, has over 2000 affiliate and 250 branch churches located in North America, Europe, and Africa.
Known in many parts of the world as the Apostle of Strategic Prayer, Archbishop Duncan-Williams is also the Founder and President of Prayer Summit International (PSI). The Prayer Summits bring revivals to international cities through the power of corporate, intercessory and prophetic prayer.