Father Antony Nassif Selim was born in Egypt in 1977.
He graduated with a Bachelor of Science degree in Commerce, Department of Foreign Trade, from Helwan University and studied at the Theological Seminary in Cairo.
He served at Saint George Coptic Orthodox Church in Heliopolis, Cairo until his ordination as presbyter by His Holiness Pope Shenouda III on June 16, 2005. He served briefly at Saint Maurice and Saint Verena Coptic Village in Big Bear, Saint Mark Church in Honolulu, Saint Abanoub and Saint Antony Church in Norco, Saint Pope Kyrillos VI Church in Westminster as well as Saint Mina Church in Riverside. In 2021, Father Antony began to serve at St. Demiana Church in San Diego, California.