The 7 Habits of Highly Effective People: Powerful Lessons in Person Chage About the Author Recognized as one of Time magazine's 25 most influential Americans, Stephen R. Covey was one of the world's foremost leadership authorities, organizational experts, and thought leaders. Covey was the author of acclaimed books, including the international bestseller, The 7 Habits of Highly Effective People, which has sold more than 25 million copies in 40 languages throughout the world. Other bestsellers authored by Covey include First Things First, Principle-Centered Leadership, The 7 Habits of Highly Effective Families, and The 8th Habit: From Effectiveness to Greatness.