Michael Rosensweig  Michael Rosensweig (born December 22, 1956) is a Rosh Yeshiva at the Rabbi Isaac Elchanan Theological Seminary of Yeshiva University and the Rosh Kollel of the Beren Kollel Elyon. Michael Rosensweig studied with Rabbi Joseph B. Soloveitchik at Yeshiva University, and with Rabbi Aharon Lichtenstein at Yeshivat Har Etzion. He received his "Semicha" from the Rabbi Isaac Elchanan Theological Seminary, and was a distinguished fellow at RIETS's post-semicha Gruss Kollel Elyon. He also studied with R. Yerucham Bobrofksy, a disciple of R. Baruch Ber Leibowitz, at Yeshiva High School of Queens. Rabbi Rosensweig graduated "summa cum laude" from Yeshiva College in 1977, and received his M.A. and Ph.D. in Medieval Jewish History from the Bernard Revel Graduate School of Jewish Studies, where he was mentored by R. Dr. Haym Soloveitchik, for whom he wrote both his M.A. thesis and doctoral dissertation ("Debt Collection in Absentia: Halakhah in a Mobile and Commercial Age"). Rosensweig is one of the only doctoral students mentored by Dr. Soloveitchik. In 1985, R. Rosensweig was appointed Rosh Yeshiva at RIETS, where he currently holds the "Nathan and Perel Schupf Chair of Talmud". In 1997, he was appointed Rosh Kollel of the prestigious Beren Institute for Advanced Talmudic Studies (Beren Kollel Elyon) at RIETS. In 2013, Rabbi Rosensweig was invited to become the Rosh HaYeshiva at Yeshivat Kerem B'Yavneh in Israel.