JOHN WIMBER (1934-1997) was a charismatic pastor and one of the founding leaders of the Vineyard Movement. He pastored Anaheim Vineyard Christian Fellowship (1977-1994), where he emphasized intimacy with God, authenticity in worship, and church planting, which he called "the best form of evangelism." Wimber became a well-known speaker at international charismatic conferences, focusing on what he called "power evangelism" and healing through the power of the Holy Spirit. His bestselling books Power Evangelism and Power Healing continue to influence the next generation of ministry leaders.