Global Harvest Ministries is a parachurch organisation, focusing on evangelism and church planting around the world. It focuses on the 40/70 Window.[1] GHM was a "major and visible facilitator and stimulator of Spiritual Mapping in the 1990s.[2]
The organisation was created by C. Peter Wagner in 1991. It fully transitioned into Global Spheres in 2012, and is now led by Chuck Pierce.[3] As of January 1, 2023, Global Spheres became a DBA of Glory of Zion International Ministries, which is also led by Chuck Pierce.[4]