Mike Yaconelli (July 24, 1942 – October 30, 2003) was a writer, theologian, church leader and satirist. Co-Founder of Youth Specialties, a training organization for Christian youth leaders, and The Wittenburg Door (sometimes just The Door), a satirical magazine, Yaconelli was also the pastor of a small church in Yreka, California - "the slowest growing church in America" as he called it. He and wife Karla used to share their time between Yreka and the Youth Specialties offices in El Cajon, California. Mike was killed in an automobile accident in 2003.