Aaron Lopiansky
orthodox Jewish Rabbi, Rosh Yeshiva

Aaron Shraga Lopiansky (Hebrew: אהרן שרגא לופיאנסקי), born September 1953, also known as Rav Ahron, is an American-Israeli Orthodox rabbi, author, posek, and rosh yeshiva at the Yeshiva of Greater Washington. He has written more than 20 works on Torah thought, liturgy, and philosophy.
Early life and education
Lopiansky was born and raised in New York's Lower East Side, the son of Holocaust survivors. Growing up, he was immersed in Torah learning, and he attended the local Rabbi Jacob Joseph School, where he achieved high scores on statewide tests. He has stated that he was deeply influenced by his parents growing up.
Before the age of 17, Lopiansky entered the Mir Yeshiva in Jerusalem, where he received rabbinic training under Rabbi Chaim Shmuelevitz and Rabbi Nachum Partzovitz. He was also greatly influenced by his father-in-law, Rav Beinish Finkel, the late Rosh Yeshiva of the Mir, and by his close association as a talmid (student) of Rav Moshe Shapiro. Lopiansky later stated that Shapiro had a "tremendous influence" on him and taught him "to look at the world in a deeper way."
Career
Lopiansky began his teaching career at Aish HaTorah in Jerusalem, where he taught from 1983 to 1990. During the 1980s, he participated in clandestine educational missions to the Soviet Union, where he taught members of the growing underground Jewish baal teshuva movement. He then taught at his alma mater, the Mir Yeshiva, for five years.
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