Yusuf Estes (born in 1944) is an American Muslim preacher and teacher who converted to Islam in 1991. He was the National Muslim Chaplain for the United States Bureau of Prisons through the 1990s. He became the Muslim Delegate to the United Nations World Peace Conference for Religious Leaders held at the U.N. in September 2000. Active in Islamic missionary work in the United States, he is often featured as guest presenter and keynote speaker at various Islamic events as well as frequently appearing on various Islamic satellite TV channels. More here. His personal site here. His GuideUS TV link here.
Please listen to his story in his own words.