V. Revd. Prof. '''Archimandrite IrenaeusIrenei''' (or '''IreneiIrenaeus''', secular name '''Matthew Craig Steenberg'''; born [[1978]]) is an [[archimandrite]] of the [[Russian Orthodox Church Outside Russia]]. BA, M.St., D.Phil.

He ordained deacon 15th / 28th August 2007 Matthew Craig Steenberg was born in 1978 on the American Naval Base in Okinawa, Japan, where he lived the first year of his life before moving to the United States. Growing up, he lived in many places both in London by Bishop [[Elisey (Ganaba) the United States and abroad, including the city of Sourozh|Elisey Moscow, Idaho in the United States, Germany, France, the United Kingdom, and Belgium. At university, he majored in Classics and Religion, graduating with BA degrees in both. Afterwards, on a Marshall Scholarship, he moved to the United Kingdom, where he obtained a Masters Degree and then Doctorate in Patristic Studies and Church History from the University of Bogorodsk]]Oxford. He served deacon Upon completion of these degrees, he became a teaching Fellow of Religion at [[Diocese Oxford, a post he held until 2007, when he became Chair and Professor of Sourozh]]Theology and Religious Studies at Leeds Trinity University, a post which he held until 2010.

He tonsured monk 23rd February / 8th March 2010 with name [[Irenaeus]]In September 2000, he established the website, Monachos.net, a website dedicated to "Orthodoxy through Patristics, Monastic, and Liturgical Study". As part of this site, a discussion board to keep conversation on Orthodoxy going was created.

He and ordained priest on 1st / 14th March 2010 While in San FranciscoOxford, by Archbishop Fr. Irenei was tonsured a [[Kyrill reader]] as well as served in the capacity of choir director. In 2006, he helped found the parish of [[St. Nicholas Church (DmitrieffOxford, England) of San Francisco|Kyrill of San Francisco and Western AmericaSt. Nicholas Church, Oxford]]after the already-established Orthodox parish in Oxford switched jurisdiction.

Elevated He was [[ordination|ordained]] a [[deacon]] in London on [[August 28]], 2007, by [[Bishop]] [[Elisey (Ganaba) of Sourozh|Elisey of Bogorodsk]], serving in the [[Diocese of Sourozh]]. In January 2010, Archbishop [[Kyrill (Dmitrieff) of San Francisco|Kyrill of San Francisco and Western America]] received Deacon Matthew Steenberg into the ranks of clergy of the Western American Diocese from the Diocese of Sourozh and assigned him to the St. Tikhon of Zadonsk Church in San Francisco and as the new principal of St. John of San Francisco Orthodox Academy in San Francisco<ref>[http://webcache.googleusercontent.com/search?q=cache:ShuMKn4LJA0J:frsergei.wordpress.com/2010/03/11/what-is-your-name-brother/+Steenberg+monk+March+8+2010&cd=8&hl=ru&ct=clnk&gl=ru Fr. Sergei Sveshnikov What is Your Name, Brother?]</ref><ref name=wadiocese>http://www.wadiocese.com/enews.php?id=C50_99_14</ref>. On [[March 8]], 2010, he was [[tonsure]]d a [[Archimandritemonk]] with the name [[Irenaeus]] (for St. [[Irenaeus of Lyons]] 13th ) by Archbishop Kyrill of San Francisco and Western America<ref name=wadiocese/ 26th >. On [[March 14]], 2010, Hierodeacon Irenaeus was ordained a [[priest]] at the Holy Virgin Cathedral in San Francisco by Archbishop Kyrill of San Francisco and Western America. On March 2010, he became a Visiting Professor in Orthodox Christian Studies, Santa Clara University. Since 2011, he was the Dean and Founder of the Sts Cyril & Athanasius Institute for Orthodox Studies, San Francisco. On August 26, 2011, at the Divine Liturgy for the patronal feastday of St. Tikhon's Church in San Francisco, Archbishop Kyrill of San Francisco and Western America elevated Hieromonk Irenaeus to the rank of [[archimandrite]] and lay the [[mitre]] upon his head<ref>http://www.wadiocese.com/enews.php?id=C20_103_14</ref>. On July 1, 2016, the Synod of Bishops of [[ROCOR]] elected Archimandrite Irenaeus (Steenberg) to be the Bishop of Sacramento and Vicar of the Western American Diocese. This election was submitted to Patriarch [[Kyrill (Gundyayev) of Moscow|Kyrill]], and it was subsequently confirmed by the Holy Synod of the Church of Russia on July 15<ref>http://www.patriarchia.ru/db/text/4561903.html</ref>.