Rabbi Leff, a close talmid of Rav Mordechai Gifter, zt”l, was the rav of the Young Israel of Greater Miami for nine years. In 1983, he made Aliyah and became the rav and morah d’asra (leader of the community) of Moshav Matityahu, a community located in central Israel. Today, in addition to his communal duties, Rabbi Leff is also rosh yeshivah of Yeshiva Gedolah Matisyahu, and oversees the 20-member kollel on the Moshav. Additionally, he teaches a group of unaffiliated Israelis who live near Moshav Matityahu and lectures at several leading Israeli yeshivot, seminaries and institutions, including the Orthodox Union’s Israel Center. He is a featured speaker at the conventions of the Orthodox Union, Agudath Israel and Torah Umesorah.

Rabbi Dovid Orlofsky was raised on Long Island New York, the quietest of six boys. He learnt in Yeshiva Chofetz Chaim and Yeshiva Heichal Hatorah. He received his semicha in 1983 by HaRav Avraham Kopshitz zt”l, former Rav of Neve Zvi. He made aliyah with his family in 1988 and served as the mashgiach ruchani in Yeshiva Ohr Dovid for five years. He has taught in the Discovery Seminar, Aish Hatorah Fellowships and Yeshiva Ohr Somayach and is currently on the staff of Darchei Binah Seminary and Neve Yerushalayim College for Women as well as other yeshivos and seminaries. He has lectured for almost twenty years in the Ohr LaGolah Rabbinical training institute. Rabbi Orlofsky is a popular lecturer internationally where his combination of humor, novel insights and inspiration touch the lives of thousands. Rabbi Orlofsky appears regularly on radio programs in Israel and his articles have been published regularly, including several years as the chinuch columnist in the Hamodiah.

Rabbi Dr. Tzvi Hersh Weinreb (born 1940) is an ordained rabbi, a qualified psychotherapist and the Executive Vice President Emeritus of the Orthodox Union, the largest Orthodox Jewish organisation in North America; a position he has held since 2002.