President of Reasoning from the Scriptures Ministries (nonprofit ministry).
Author of over 60 books (including 3 Silver Medallion winners).
Keynote speaker at conferences across the United States.
Regularly addresses current issues in the national media.
As time permits, teaches cult apologetics at Veritas Evangelical Seminary (Murrieta, CA), Dallas Theological Seminary, Talbot Seminary and Biola University (La Mirada, CA), and other well-known seminaries.