Mendi Keren is a researcher of Hungarian Orthodoxy and of contemporary Haredi society in the State of Israel. Dr. Keren holds a PhD from Bar-Ilan University in Yiddish Literature (Summa Cum Laude), and another in Jewish History from Tel Aviv University. His first dissertation, Maramaros-Sziget: Extreme Orthodoxy and Secular Jewish Culture at the Foothills of the Carpathian Mountains, was recently published by the Dov Sadan Publishing Project of the Hebrew University and is a groundbreaking text on the inner world of Hungarian Hasidism. His second dissertation is titled, Rabbi Yoel Teitelbaum—The Satmar Rebbe (1887–1979): A Biography. Dr. Keren’s field of interest lies in Jewish Orthodoxy and especially Hungarian Jewry in the modern era; Yiddish literature and press; Haredi society in Israel and the United States; the Old Yishuv of Jerusalem; Agudath Israel; Jewish folklore; and Jewish and rabbinic genealogy. Dr. Keren also works as a part-time dentist in Ramat-HaSharon, Israel.

Motti Inbari is an associate professor of religion at the University of North Carolina at Pembroke. Dr. Inbari’s research focuses primarily on Jewish fundamentalism, mostly in Israel, but also in the United States and Europe. He is the author of three books: Jewish Fundamentalism and the Temple Mount (2009), Messianic Religious Zionism Confronts Israeli Territorial Compromises (2012), and Jewish Radical Ultra-Orthodoxy Confronts Modernity, Zionism, and Women’s Equality (2016). Dr. Inbari earned his PhD at the Institute of Contemporary Jewry—currently part of the Department of Modern Jewish History—at the Hebrew University of Jerusalem. He has also served as a fellow at the University of Florida and at the Schusterman Center for Israel Studies at Brandeis University.

Dr. Glaser has served as president of Chosen People Ministries since 1997.  He is an alumnus of Northeastern Bible College, the Talbot School of Theology and earned a Ph.D in Intercultural Studies from Fuller Theological Seminary, School of Intercultural Studies. His dissertation explored the history of the Messianic Jewish movement in Continental Europe during first half of the 20th century. Dr. Glaser is recognized as an expert on the role of Messianic ministries during the Holocaust period.  He is the co-author of The Fall Feasts of Israel with his wife, and co-editor of To the Jew First, The Gospel According to Isaiah 53, and The People, The Land, and The Future of Israel, published by Kregel Publications. Dr. Glaser’s book, Isaiah 53 Explained, is now in fourteen languages with over 200,000 copies in print. He has written many articles for a variety of periodicals and has taught at leading schools such as Talbot School of Theology, Fuller Theological Seminary and Moody Bible Institute. Dr. Glaser lives in Brooklyn which he whimsically describes as the true Holy Land.

Yaakov Ariel is a graduate of the Hebrew University of Jerusalem and the University of Chicago, where he completed a doctoral degree on Christian Messianic groups and their relation to Jews and Zionism. His research focuses on Protestant Christianity and its attitudes towards the Jewish people; on Judeo-Christian relations in the modern era; and on the Jewish reaction to modernity. His second book, Evangelizing the Chosen People, was awarded the Albert C. Outler prize by the American Society of Church History. Dr. Ariel is a professor of religious studies at the University of North Carolina at Chapel Hill and co-director of the Carolina Center for Jewish Studies.