Dr. Wicker serves as professor of New Testament in the School of Theology. He brings to his classes a passion for proper biblical interpretation, creative communication, and practical application. Dr. Wicker likes to use his various hobbies of travel, photography, artifacts, comedy skits, and Gospel illusions as teaching illustrations in the classroom.

Dr. Wicker has contributed journal articles to the Southwestern Journal of Theology and Didaktikos and numerous book reviews for the Southwestern Journal of Theology. He is a member of the Evangelical Theological Society, Institute of Biblical Research, and Society of Biblical Literature. He regularly presents at academic conferences.

Since 1990, Dr. Wicker has led annual or bi-annual trips to the Holy Land and Europe, and he has published eighty-seven newspaper articles related to these trips. He is currently writing a book on humor and the Gospels and a book on biblical hermeneutics.

Dr. Wicker and his wife are active members of the First Baptist Church of Dallas, where he teaches Sunday School, Discipleship Training, and the Wednesday night Bible study.