Rabbi Hertzka Greenfeld is a veteran Magid Shiur and popular lecturer in Staten Island. 

At the onset of the 13th cycle of Daf Yomi, Rabbi Greenfeld began a Daf Shiur for Balei Batim. 

His “23 Minutes a Daf!” series started at the beginning of the 14th cycle and became known for its clarity and succinct learning style. The daily daf shiur has over 15,000 daily listeners. 

He is the author of the sefer פלאות עדותיך on Torah.

השיעורים על משניות נאמרו לע"נ הרה"ג רבי יעקב יהודה בן רבי אליהו זצ"ל - והרבנית מרת רבקה רחל פעריל בת הרב אליעזר ז"ל

Rabbi Greenfeld can be reached at dafyomi23@gmail.com