Ezrachi was the son-in-law of Rabbi Meir Chodosh.[5] In 1976, he started a yeshiva in Bayit Vegan called Ateres Yisroel which he moved to Modi'in in 1979.
Ezrachi wrote many volumes of commentary on Torah, Talmud, halacha (Jewish law), Jewish festivals, and thought, called Birkas Mordechai (Hebrew: ברכת מרדכי Blessings of Mordechai).