Yusuf Estes is an American Muslim preacher and teacher who converted to Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

 in 1991. He was the National Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

 Chaplain

Chaplain

Traditionally, a chaplain is a minister in a specialized setting such as a priest, pastor, rabbi, or imam or lay representative of a religion attached to a secular institution such as a hospital, prison, military unit, police department, university, or private chapel...

 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

Millennium Summit

The Millennium Summit was a meeting among many world leaders lasting three days from 6 September to 8 September 2000 at the United Nations headquarters in New York City. Its purpose was to discuss the role of the United Nations at the turn of the 21st century. At this meeting, world leaders...

 held at the U.N. in September 2000. Active in Islamic missionary work

Islamic Missionary Activity

Dawah, Islamic missionary work, means to "invite" to Islam, which is estimated to be the second largest religion after Christianity. After the death of the Islamic Prophet Muhammad, from the 7th century onwards, Islam spread rapidly from the Arabian Peninsula to the rest of the world, initially...

 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.