As a leader of Christianity Today International, Harold has been instrumental in creating an extremely successful nonprofit organization. Behind his leadership CTI has vastly expanded the number of magazines it publishes and the audience it reaches. The CTI website explains that more than 2.5 million readers currently receive the organization's 11 publications that include Christianity Today, Leadership Journal, Campus Life, Today's Christian Woman, Marriage Partnership, Christian History & Biography, Your Church, Today's Christian, Books & Culture, Christian Parenting Today, and Men of Integrity. In addition, CTI reaches additional people with these online offerings: PreachingToday.com, BuildingChurchLeaders.com, and the Christianity Today online magazine.