Rabbi Peretz Moncharsh, our Kitzur Yomi maggid shiur, was born and raised in Minneapolis, MN learned in the Yeshivos of Philadelphia, South Bend, Brisk-R Dovid, Mir and Kollel La'asukei Shmaytsa. He currently lives in Beitar and is a Moreh Horaah on both the Ashkenazi and Sefardi Batei Horaah as well as the Rosh Kollel of Kollel Shaarei Horaah. Rabbi Moncharsh received Semicha from R' Zalman Nechemia Goldberg, R' Yaakov Tufik (the Sefaradi Rav of Beitar) and the Rabbanut. He did shimush by R' Tufik and by R' Yitzchok Kaufman.
Dayan Rav Yehonoson Dovid Hool is currently a dayan on the Beis Din "Nesivos Chaim," Yerushalayim. He learned in Gateshead, Chevron and Mir yeshivos, and then in Kollel Imrei David. He is currently a member of the Kollel Choshen Mishpat - Jerusalem Institute for Dayanim.
Rabbi Shaul Rosenberg is a native of Boro Park and talmid of the Mir Yeshiva in Yerushalayim and a long time member of Kollel of Lakewood Yeshiva. Recently he put out CDs on Chumash/Rashi visit http://chumashrashi.com/
Rabbi Tzvi Frank, grew up in Boro Park, NY and learned in Yeshivos Chasan Sofer, Philadelphia, Brisk -R' Avrohom Yehoshua, Kollel Halichos Yerushalayim, Kollel Ner Moshe in Givat Shaul and Lakewood, NJ. He currently resides in Lakewood.