Don was a litigation attorney in Chicago for several years before leaving his law practice to attend The Master's Seminary, where he completed his M.Div. and Th.M. degrees with highest honors.
As an ordained elder at Grace Community Church in Sun Valley, California, Don pastors GraceLife, a group of more than 600 adults. He has published several articles on biblical themes. He is also the Managing Director of Grace to You, where he oversees the daily operations of John MacArthur’s international media and radio ministry.
Don and his wife, Nancy, have six children.