Global Harvest Ministries

Global Harvest Ministries is a parachurch organisation, focusing on evangelism and church planting around the world. It focuses on the 40/70 Window. GHM was a "major and visible facilitator and stimulator of Spiritual Mapping in the 1990s.

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. As of January 1, 2023, Global Spheres became a DBA of Glory of Zion International Ministries, which is also led by Chuck Pierce.