Abp. Nathaniel was born [[June 12]], 1940 , in Aurora, Illinois , to a family of Romanian heritage. In 1966, he was [[ordination|ordained]] to the [[Presbyter|priesthood]] in the Romanian [[Uniate ]] Church. He soon left the Unia and, under the guidance of Archbishop Valeria [[Valerian (Trifa) of Detroit|Valerian (Trifa)]] of the Romanian Orthodox Episcopate of America, converted [[convert]]ed to Orthodoxy on [[February 15]], 1968. After residing in a [[Monasticism|monastic]] community for several years, Fr. Popp became the [[rector]] of a parish in Hermitage, Pennsylvania.

On [[November 15]], 1980, Fr. Nathaniel was [[consecration of a bishop|consecrated ]] [[Bishop]] of Dearborn Heights, as an [[auxiliary bishop]] to Abp. ValeriaValerian. He served as bishop until 1984, when Abp. Valeria Valerian retired. On [[November 17]], 1984, Bishop Nathaniel became the ruling hierarch of the Romanian Orthodox Episcopate of America. On [[October 20]], 1999, the [[Holy Synod ]] of the OCA elevated him to the rank of archbishop.

{{succession | title=Bishop of Dearborn Heights | before=? | after=? | years=1980–1984}}{{succession | title=[[Romanian Orthodox Episcopate of America (OCA)|Archbishop of Detroit and the Romanian Episcopate]] | before=[[Valerian (Trifa) of Detroit|Valerian (Trifa)]] | after=Incumbent—| years=1984–present}}

==Contact information==PO Box 309<br>Grass Lake, MI 49240-0309  Office: 517-522-4800<br>Fax: 517-522-5907 ==External linklinks==* [http://www.roea.org/bio-nathaniel.htm BiographyOfficial biography]*[http://www.roea.org/+NPastoral.htm Pastoral letters] (also in [http://www.roea.org/+NPastorale.htm Romanian])*[http://orthodoxresearchinstitute.org/resources/hierarchs/oca/current.htm#nathaniel_arch Listing] at the Orthodox Research Institute