[Audio below.] Rabbi Mordechai Koster is presently a member of the kollel at Bais Medrash Govoha in Lakewood, NJ, where he received semichah. He has written several seforim on halacha and on the moadim called Gevuras Akiva. In addition, he releases a gilyon on the parsha in halacha and aggada every week.
Rabbi Kostner previously learned at Yeshiva of Far Rockaway, Yeshiva Shaar HaTorah and Yeshivas Mir Yerushalayim.
One can subscribe to Rabbi Koster’s weekly gilyon by sending a request to GevurasAkiva@gmail.com.
The following shiur from Rabbi Koster is on the topic of “Why Do We Have a Second Day of Shavuos?”
CLICK HERE TO LISTEN TO THE SHIUR.