Gregory John Mansour is American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Maronite Catholic prelate

Prelate

A prelate is a high-ranking member of the clergy who is an ordinary or who ranks in precedence with ordinaries. The word derives from the Latin prælatus, the past participle of præferre, which means "carry before", "be set above or over" or "prefer"; hence, a prelate is one set over others.-Related...

, who has served as the current Bishop of the Eparchy of Saint Maron of Brooklyn, a diocese

Diocese

A diocese is the district or see under the supervision of a bishop. It is divided into parishes.An archdiocese is more significant than a diocese. An archdiocese is presided over by an archbishop whose see may have or had importance due to size or historical significance...

 based in Brooklyn, New York covering the Maronite Church

Maronite Church

The Syriac Maronite Church of Antioch is an Eastern Catholic Church in full communion with the Holy See of Rome . It traces its heritage back to the community founded by Maron, a 4th-century Syriac monk venerated as a saint. The first Maronite Patriarch, John Maron, was elected in the late 7th...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, since 2004.

Mansour was appointed the Bishop of the Eparchy of Saint Maron of Brooklyn on January 10, 2004, succeeding Bishop Stephen Youssef Doueihi who retired. Mansour was ordained on March 2, 2004, and installed on April 27, 2004.