Yitzchak Feivish Ginsburgh sometimes referred to as "the Malakh" is an American-born Israeli rabbi affiliated with the Chabad movement. In 1996 he was regarded as one of Chabad's leading authorities on Jewish mysticism. He is the leader of the Derech Chaim Movement and founder of the Gal Einai Institute, which publishes his written works. His students include Charedim, religious Zionists, and Chabad Chassidim, as well as ba'alei teshuvah. He is currently the president of a number of educational institutions, including the Od Yosef Chai yeshiva in the settlement of Yitzhar in the West Bank. Ginsburgh has lectured in various countries, and throughout Israel. His teachings cover subjects including science, psychology, marital harmony and monarchy in Israel. He has published over 100 books in Hebrew and English, most of which are edited by his students.

Yitzhar is an Israeli settlement located in the West Bank, south of the city of Nablus, just off Route 60, north of the Tapuach Junction. The predominantly Orthodox Jewish community falls under the jurisdiction of Shomron Regional Council. In 2022, it had a population of 2,093.