Dr. Trask has been in the ministry for nearly 60 years. He pastored several successful churches before becoming an administrator in the Assemblies of God. He held the office of General Superintendent for 13 years. Brother Trask has served as the Chairman of the Worldwide Assemblies of God Fellowship and has sat on the boards of the National Association of Evangelicals and the National Religious Broadcasters. He has also served on the boards of Evangel University, Central Bible College, Northpoint College and the Assemblies of God Theological Seminary.

Trask has authored a number of books on ministry and the Holy Spirit.