Профессор Папского института "Библикум".

В 1966-71 гг. обучался в Университете Вены. В 1972-81 гг. обучался в Колумбийском университете (Нью-Йорк), где получил бакалаврскую, магистерскую и докторскую степени по истории древнего мира.

В 1988-91 гг. обучался в Папском Латеранском университете, где получил степень бакалавра теологии.

В 1991-97 гг. проходил обучение в Папском Грегорианском университете, получил там степень магистра теологии.

С 1991 г. преподает в "Библикуме", с 2007 г. - профессор.

Преподавал также в различных католических университетах и институтах.

Монографии

1. The Hasmoneans and Their Supporters: From Mattathias to the Death of John Hyrcanus I (University of South Florida Studies in the History of Judaism  6), Atlanta, GA: Scholars Press, 1990.
2. Josephus and the History of the Greco-Roman Period: Essays in Memory of Morton Smith ed. by Fausto Parente and Joseph Sievers, Leiden: Brill, 1994.
3. Good and Evil After Auschwitz: Ethical Implications for Today, ed. by Jack Bemporad, John T. Pawlikowski, and Joseph Sievers (Hoboken, NJ: KTAV, 2000 [2001]).
4. Synopsis of the Greek Sources for the Hasmonean Period: 1-2 Maccabees and Josephus, War 1 and Antiquities 12-14(Subsidia Biblica 20; Roma: Editrice Pontificio Istituto Biblico, 2001).
5. Josephus and Jewish History in Flavian Rome and Beyond, ed. by Joseph Sievers and Gaia Lembi (Supplements to the Journal for the Study of Judaism 104; Leiden: Brill, 2005).
6. Chiesa ed Ebraismo oggi: Percorsi fatti, questioni aperte, ed. by Norbert J. Hofmann, Joseph Sievers, and Maurizio Mottolese (Roma: Editrice Pontificia Università Gregoriana, 2005).
7. The Catholic Church and the Jewish People: Recent Reflections from Rome,  ed. by Philip A. Cunningham, Norbert J. Hofmann, S.D.B., and Joseph Sievers (New York: Fordham University Press, 2007 (English edition of #6).
8. Christ Jesus and the Jewish People Today: New Explorations of Theological Interrelationships, ed. by Philip A. Cunningham, Joseph Sievers, Mary Boys, Hans Hermann Henrix, and Jesper Svartvik, Grand Rapids, MI: Eerdmans, and Gregorian and Biblical Press: Rome, 2011.

Статьи

• “‘Where Two or Three. . .’ The Rabbinic Concept of Shekhinah and Matthew 18:20” in Standing Before God ed. by A. Finkel and L. Frizzell (New York: Ktav, 1981) pp. 171-182. Translated into French and Italian. Reprinted  in SIDIC 17 (1984) 4-10 and in The Jewish Roots of Christian Liturgy ed. by  E. Fisher (Mahwah, NJ: Paulist Press, 1990) pp. 47-61.
• “Jonathan Aristobulus III and Hasmonean Names” Israel Numismatic Journal 8 (1984-85) 7-8.
• “Antiochus IV-XII”, Encyclopaedia Iranica Vol. 2 (London/Boston: Routledge & Kegan Paul) 1986, pp. 128-135 (available at http://www.iranica.com/newsite/ ).
• “Heidentum” (in jüdischer Sicht) Theologische Realenzyklopädie Vol. 14 (Berlin/New York: De Gruyter 1986) pp. 601-605.
• “The Role of Women in the Hasmonean Dynasty”, Josephus, the Bible, and History, ed. by Louis H. Feldman and Gohei Hata (Detroit: Wayne State University Press 1989) 132-146 (transl. also into Japanese).
• “Gesù di Nazaret - visto da ebrei di oggi” Nuova Umanità 64/65 (1989) 125-136 (Republished as “Gesù e l’ebraismo”Unità e Carismi 6, 1996, 33-38).
• “Shalom: L’invocazione di pace nel giudaismo” Rivista di vita spiri­tuale 44 (1990) 477-493.
• “Chi erano i farisei?” Nuova Umanità 75/76 (maggio-agosto 1991) 53-68.
• “Amore divino in alcune religioni non cristiane” Nuova Umanità 91 (1994) 71-92.
• “The Many Faces of Judaic Studies in Rome,” SIDIC 27,3 (1994) 12-16. Also in French, reprinted in Yod: Revue des études hébraïques et juives modernes et contemporaines  n.s. 1-2 (1995-96) 233-240.
• “Jerusalem, the Akra, and Josephus,” in Josephus and the History of the Greco-Roman Period: Essays in Memory of Morton Smith ed. by Fausto Parente and Joseph Sievers, Leiden: Brill, 1994, pp. 195-209.
• “‘Aiutare Dio’: Riflessioni su vita e pensiero di Etty Hillesum,” Nuova Umanità 17,3-4 (1995) 113-127. (English translation: “‘To Help God’ - Reflections on the Life and Thought of Etty Hillesum,” SIDIC 28,3 [1995] 9-16).
• “4QMMT: Riflessioni in margine a un ‘nuovo’ testo di Qumran,” Materia giudaica: bollettino dell’associazione italiana per lo studio del giudaismo, 1996, 7-9.
• “Il culto e la liturgia nel giudaismo antico,” Dizionario di Spiritualità Biblico-Patristica Vol. 12 Culto divino - Liturgia, Rome: Borla 1996, pp. 64-79.
• “Herodes,” “Herodianer,” “Herodion,” “Hohepriester II. (Frühjudentum)” in Lexikon für Theologie und Kirche, Band V. Freiburg: Herder, 1996, col. 14-16, 221-223.
• “Lo status socio-religioso dei proseliti e dei timorati di Dio” Ricerche storico-bibliche 8 (1996) 183-196.
• “Individual Conversions to Judaism in Late Antiquity: Reconsidering the Epigraphic Evidence,” Dimensioni e problemi della ricerca storica 2.1996, 35-42.
• “Who Were the Pharisees?” in J. H. Charlesworth (ed.), Hillel and Jesus. Minneapolis: Fortress Press, 1997, 137-155.
• “A History of the Interpretation of Romans 11:29,” Annali di storia dell’esegesi 14 (1997) 381-442.
• “Gesù di Nazaret visto da scrittori ebrei del XX secolo,” Tertium Millennium 1,5 (November 1997) 48-53.
• “‘God’s Gifts and Call are Irrevocable’: The Interpretation of Rom 11:29 and Its Uses,” Society of Biblical Literature 1997 Seminar Papers, Atlanta: Scholars Press, 1997, pp. 337-357.
• “Gesù, gli esseni e la reincarnazione,” Religioni e Sette nel mondo 3,2 (June 1997) 37-49.
• “Josephus und die Zeit ‘zwischen den Testamenten,’” Bibel und Kirche 53,2 (1998) 61-66.
• “Aussagen des Josephus zu Unsterblichkeit und Leben nach dem Tod,” in Internationales Josephus-Kolloquium Münster 1997 ed. F. Siegert - J.U. Kalms (Münsteraner Judaistische Studien 2), Münster: Lit, 1998, pp.  78-92.
• “Good and Evil After Auschwitz: Ethical Implications for Today. Eine internationale Tagung an der Gregoriana in Rom vom 22.-25- September 1997”, Dialog der Religionen 8 (1998) 115-117.
• “Quale rapporto con gli ebrei?” (interview) Gen’s: Rivista di vita ecclesiale 28, 6 (Nov.-Dic. 1998) 181-188.
• “Josephus and the Afterlife,” in Understanding Josephus: Seven Perspectives ed. Steve Mason (JSPSup 32; Sheffield: Sheffield Academic Press, 1998) 20-34.
• “Michea figlio di Imla e la profezia in Flavio Giuseppe,” Ricerche Storico Bibliche 11,1 (1999) 97-105.
• “Flavio Giuseppe: Progetti di edizioni, traduzioni e commentari,” materia giudaica: bollettino dell’associazione italiana per lo studio del giudaismo 5 (1999) 8-12.
• “Responsabilità e potere del maschio ebreo,” in Il Maschile a due voci: Il padre, il figlio, l’amico, lo sposo, il prete, ed Giulia Paola Di Nicola and Attilio Danese (Lecce: Piero Manni, 1999) 32-38, 161.
• “New Resources for the Study of Josephus,” Society of Biblical Literature 1999 Seminar Papers, Atlanta: SBL, 1999, 264-271.
• “«God’s Gifts and Call are Irrevocable»: The Reception of Romans 11:29 through the Centuries and Christian-Jewish Relations,” in Reading Israel in Romans: Legitimacy and Plausibility of Divergent Interpretations, ed. Cristina Grenholm and Daniel Patte (Harrisburg, PA: Trinity Press International, 2000) 127-73 (cf. Patte’s response, ibid. 225-45 and Boyarin’s epilogue, pp. 249-50).
• “Hasmoneans” in Dictionary of New Testament Background ed. Craig A. Evans and Stanley E. Porter (Downers Grove, IL: InterVarsity Press, 2000) 438-442.
• “Josephus, First Maccabees, Sparta, the Three haireseis—and Cicero,” Journal for the Study of Judaism 32 (2001) 241-251.
• “Judaísmo y cristianismo a través de los rollos del Mar Muerto,” Cuadernos de Teologia 20 (2001) 37-54.
• “Mariam di Nazareth,” Città Nuova, vol. 47 issue 19 (October 10, 2003) 52-55.
• “Second Temple Judaism and Nascent Christianity Seen Through the Dead Sea Scrolls,” Electrum 7 (2003) 9-24.
• “¿Quien era Fariseo?” in Ecumenismo y Dialogo interreligioso en Argentina : En el camino del tercer milenio (2000-2003), ed. Comision Episcopal de Ecumenismo, Relaciones con el Judaismo, el Islam, y las Religiones (Buenos Aires: Ciudad Nueva, 2004), 69-93.
• “Espiritualidades Judía y Cristiana: ¿Caminos Diferentes, Metas Semejantes?” in Ecumenismo y Dialogo interreligioso en Argentina : En el camino del tercer milenio (2000-2003), ed. Comision Episcopal de Ecumenismo, Relaciones con el Judaismo, el Islam, y las Religiones (Buenos Aires: Ciudad Nueva, 2004), 51-68.
• “Flavio Josefo y su relato en la historia del segundo templo: Percepciones y fuentes,” Revista Bíblica (Buenos Aires) 66 (2004) 215-235.
• “La Torah in Flavio Giuseppe,” Ricerche Storico Bibliche 16 (2004) 231-244.
• “Smith, Morton,” Encyclopedia of Religion, Second Edition, ed. Lindsay Jones(Detroit/New York: Thomson Gale/Macmillan Reference USA, 2005) 12:8448-50.
• “Spiritualità ebraiche e spiritualità cristiane: percorsi diversi – mete comuni?” Nuova Umanità 27,3-4 (2005) 589-604.
• “What’s in a Name? Antiochus in Josephus’ Bellum Judaicum,” Journal of Jewish Studies 56 (2005) 34-47.
• “‘Wo zwei oder drei …’: Der rabbinische Begriff der Schechina und Matthäus 18,20,” das prisma: Beiträge zur Pastoral, Katechese & Theologie 17,1 (2005) 18-29.
• “Giovanni Paolo II e i rapporti ebreo-cristiani,” in Karol Wojtyla, un Pontefice in diretta: Sfida e incanto nel rapporto tra Giovanni Paolo II e la tv, ed. Mauro Mazza (Rome: RAI Eri, 2006), 187-190.
• “How Irrevocable? Interpreting Romans 11:29 from the Church Fathers to the Second Vatican Council,” Gregorianum87 (2006) 748-761.
• “The Ancient Lists of Contents of Josephus’ Antiquities” in Studies in Josephus and the Varieties of Ancient Judaism. Louis H. Feldman Jubilee Volume. Ed. Shaye J.D. Cohen and Joshua J. Schwartz (Leiden: Brill, 2007), 271-292.
• “Vittoria nel martirio e vittoria con la spada: aspetti della violenza nella tradizione maccabaica” Ricerche storico-bibliche 20,1-2 (2008) 81-94.
• “Herod, Josephus, and Laqueur: a Reconsideration,” in Herod and Augustus: Papers Held at the IJS Conference, 21st–23rd June 2005, ed. David Jacobson – Nikos Kokkinos, Leiden: Brill, 2009, 83-112.
• “Learning About Ourselves While Learning About Each Other: Proposals for Jewish and Catholic Education,” by Lawrence H. Schiffman and Joseph Sievers, Studies in Christian-Jewish Relations 4,1 (2009) (http://escholarship.bc.edu/scjr/vol4/iss1/15).
• “Alexander Balas,” “Alexander Zabinas,” “Andronicus (1-3),” Encyclopedia of the Bible and Its Reception, Berlin/New York: De Gruyter, vol. 1 (2009).
•  “Maccabei, Libri dei” in Temi Teologici della Bibbia, a cura di Romano Penna, Giacomo Perego e Gianfranco Ravasi, Edizioni San Paolo, Cinisello Balsamo, MI, 2010, 780-786.
• “Etappen, Erfolge und Schwierigkeiten im katholisch-jüdischen Dialog,” Revista Ecumenică Sibiu 2,1 (2010) 55-68.
• “Hasmoneans”, The Eerdmans Dictionary of Early Judaism, ed. John J. Collins and Daniel C. Harlow, Grand Rapids, MI: Eerdmans, 2010, 705-709.
• “Bacchides,” Encyclopedia of the Bible and Its Reception, Berlin/New York: De Gruyter, vol. 2 (forthcoming).
• “Der jüdische Jesus. Jesusbücher jüdischer Autoren im 20. Jahrhundert,” Revista Ecumenică Sibiu  3,1 (2011) 115-129.
• “Forgotten Aspects of the Reception of Josephus’ Bellum Judaicum: Its Lists of Contents” in Kanon in Konstruktion Und Dekonstruktion: Ein Handbuch, ed. Eve-Marie Becker (Berlin: De Gruyter, forthcoming).
• Sussidio per la Giornata per l’approfondimento e lo sviluppo del dialogo tra cattolici ed ebrei su “«Onora tuo padre e tua madre » (Esodo 20, 12)”.
• “Chi era un fariseo? Un approccio prosopografico,” (forthcoming in Polish).