Born in Antwerp, Belgium, Rabbi Dafner learned at the Telshe Yeshiva in Cleveland under the leadership of HaGoan Rabbi Gifter where he had a close relationship with the Rosh Yeshiva Rav Chaim Stein. Rabbi Dafner moved to Israel in 2002. He is also the Rosh Kollel and the author of a sefer on family purity. He brings his extensive knowledge and wisdom to the Arevus community and teaches both Gemora and Halacha.