In Matthew 28, Jesus told His disciples to go and make disciples - not just converts. He also placed instructors in the church to train and equip the believers for the work of the ministry. These instructors are what today we would call the five-fold ministry, based on Ephesians 4:11-12.
David's experience as a pastor and a missionary has given him the opportunity to teach and train believers all over the world to become faith-filled, Holy Spirit-empowered members of the Body of Christ.
Believers who can:
David travels and teaches at pastoral and leadership conferences, equipping believers to do the same works that Jesus did.