Joel C. Rosenberg
According to his bio on Wikipedia: "Rosenberg was born in 1967 near Rochester, New York. He has stated that his father is of Jewish descent and his mother was born into a Methodist family of English descent. His parents were agnostic and became born-again Christians when he was a child in 1973. At the age of 17, he became a born-again Christian and now identifies as a Jewish believer in Jesus. He graduated in 1988 from Syracuse University, after which he worked for Rush Limbaugh as a research assistant. Later, he worked for U.S. Presidential candidate Steve Forbes as a campaign advisor. Rosenberg opened a political consultancy business which he ran until 2000, and claims to have consulted for former Israeli Deputy Prime Minister Natan Sharansky and Prime Minister Benjamin Netanyahu, where he says that he garnered much of his information on the Middle East that he uses in his books.