Irving (Yitzchak) Greenberg (born 1933), also known as Yitz Greenberg, is a Modern Orthodox rabbi, Jewish-American scholar and author. He is known as a strong supporter of Israel[1] and a promoter of greater understanding between Judaism and Christianity.[2]
In 1953 Greenberg was ordained at Yeshiva Beis Yosef. He earned a PhD. from Harvard University and served as the Jewish chaplain of Brandeis University, the rabbi of the Riverdale Jewish Center, an associate professor of history at Yeshiva University, and as a founder, chairman, and professor in the department of Jewish studies of the City College of the City University of New York.[3] He has also served as the President of the National Jewish Center for Learning and Leadership. He is married to the Orthodox Jewish feminist writer Blu Greenberg.