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Rabbi Mayer Neuberger

Rosh Hayeshiva

          Rabbi Mayer Neuberger, a native of Baltimore, Md, studied in Mechina High School of NIRC, Yeshiva of Philadelphia, Yeshivas Mir (Jerusalem) and Beis Medrash Govoha (Lakewood), where he received semicha. Rabbi Neuberger came to Atlanta in 1997 to join the Atlanta Scholars Kollel and has served as Rosh Yeshiva of Ohr Yisrael since the yeshiva’s founding in 2001. He is married to Rivka Neuberger (nee Hopfer) who currently works as an anesthetist at Grady Hospital. They have four children.


Mr. Wayne Dennis

General Studies Principal

          Mr. Wayne Dennis grew up in Trenton, New Jersey. He has a Bachelor of Science degree in Finance and Marketing from Montclair State University. He earned a Master of Education in Educational Leadership from The College of New Jersey. Mr. Dennis started his career teaching in the Trenton Public School system and has been working as a teacher and administrator for over 20 years.  Mr. Dennis joined the Yeshiva Ohr Yisrael Administration in 2018.  In his spare time, he enjoys traveling, sports, and reading and spending time with his five children.

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Rabbi Avrohom Tkatch


          Rabbi Avrohom Tkatch grew up in Overland Park, Kansas and attended the Yeshiva of South Bend, Yeshivas Mir (Jerusalem) and Beis Medrash Govoha (Lakewood), where he received semicha. Rabbi Tkatch joined the outreach Kollel in Bensalem, PA then moved to South Bend, IN in 2004 where he served as Menahel and 12th grade Rebbe for 11 years at the Yeshiva of South Bend. Rabbi Tkatch came to  Yeshiva Ohr Yisrael at the beginning of the 2016-2017 school year.


Mrs. Beruriah Sawyer


          Mrs. Beruriah Sawyer is a native Atlantan. She attended Georgia Institute of Technology where she received a Bachelor of Science degree in Applied Mathematics with a minor in Developmental Psychology. Post graduation, in order to further her career, Mrs. Sawyer studied business systems management, labor law, and computer applications at Florida International University. After working for several years as a computer systems analyst designing programs for financial systems, Mrs. Sawyer decided to stay at home with her growing family. While at home, she worked as the office administrator of a self-owned manufacturer’s representative company and homeschooled until her children entered the day school system in Atlanta. She worked temporarily as bookkeeper for the Yeshiva in its second year, 2003, and was later hired as office manager in the Fall of 2004.

Judaic Studies


Rabbi Naftali Estreicher

          Rabbi Naftali Tzvi Estreicher is the tenth grade Rebbe at Yeshiva Ohr Yisrael. After eight years of learning at the Talmudical Yeshiva of Philadelphia and five years in Jerusalem’s Mir Yeshiva he returned to his hometown of Atlanta Georgia.  Rabbi Estreicher was a founding member of the Yeshiva Ohr Yisrael Kollel in 2001.    Rabbi Estreicher has also served as a rebbe at Camp Bonim for a number of years during the summer and completed the Ohr Legola outreach training program.

Rabbi Binyomin Alon

          Rabbi Binyomin Alon is the 11th grade Rebbe at Yeshiva Ohr Yisrael.  After studying in Beis Medrash and Mesivtah of Baltimore, he spent several years learning in Yeshivas Kodshim (R' Tzvi Kaplan) in Israel. Following his years in Israel, he married Fraidy and joined Beis Medrash Gavoah in Lakewood. In 2014, Rabbi Alon came to Atlanta to become a founding member of Kollel Ner Hamizrach along with seven other families. While studying in the Kollel, Rabbi Neuberger formed an 8th grade extracurricular study group, which Rabbi Alon taught. It was this group of boys that would later form his 11th grade class when he joined the Yeshiva full time in 2017.


Rabbi Yitzchok Grossman


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Rabbi Aryeh Adler

          Rabbi Aryeh Adler grew up on the lower east side of Manhattan, and then Teaneck NJ. He studied at Yeshivas Kerem B’Yavneh, Yeshiva University where he graduated cum laude, and R’ Tzvi Kushelefsky in Eretz Yisrael. He received semicha from Rabbi Beryl Wein while he was sho’el u’meishiv in Yeshiva Shaarei Torah and studying under his uncle, Rabbi Yitzchak Adler, whose derech halimud he adopted. Rabbi Adler began his teaching career teaching an honor’s eighth grade class in Monsey, NY after which he taught in Moshe Aaron Yeshiva HS in Central NJ for 12 years. In addition, while in NJ, R Adler took his love of teaching and spreading devar Hashem to Rutgers University, teaching students on campus and in his home for several years. He gave weekly classes in the community and maintained ongoing relationships with his many students. Rabbi Adler came to Atlanta to join YOY in 2011 with aspirations to mold his talmidim into b’nei Torah and lamdanim.


Rabbi Daniel Gopin



General Studies


Mr. Chris Ellis

          Mr. Christopher Ellis is a native of Atlanta.  He attended Auburn University where he received a Bachelor of Science in Applied Mathematics, concentrating on Actuarial Science.  He discovered that teaching was a more rewarding and fun career than working in insurance. Mr. Ellis holds certification from the state of Georgia in all content areas of secondary mathematics.  He has been with Yeshiva Ohr Yisrael since 2015, having taught all different levels of mathematics.


Dr. Richard Katz

          Dr. Richard Katz is a trained linguist, specializing in language history and how grammatical features come about. He earned his Ph.D. in linguistics from the University of Georgia in 2016 and moved from Athens to Atlanta so that his wife could pursue her career in accounting. He first came to Yeshiva Ohr Yisrael in the fall of 2018 where he teaches Language Arts and English to the 9th and 12th grade. In class, he works on strengthening students' skills in close reading and argumentative writing. Outside of class, he is writing a book about the history of grammatical structures like the perfect tense. He and his wife have a two year-old son.


Mr. Haoran Yang

          Haoran Yang, known more often by his nickname Mickey,  was born and raised in China and moved to the United States when he was 18. He speaks  both Mandarin and English. After graduating from Birmingham Southern College with a Bachelor in Mathematics, he came to Atlanta to pursue a graduate degree at UGA for Math Education. Mr. Yang enjoys basketball, and is a big Spurs fan. (He may have spent four years of college at Alabama, but says he is not really a Roll Tide fan.)  Mr. Yang delights in both math and teaching, so is pleased to have come to Yeshiva Ohr Yisrael in the 2019-2020 school year as a Mathematics teacher.


Mr. William Ellis

          Mr. William Ellis attended both the University of Georgia and Georgia State University. He holds a BS Ed. in Secondary Social Science Education and a Masters in Educational Leadership and Supervision. He taught in the Gwinnet County school system for over 35 years; was department chair for eleven years; and served on the committee that developed the geography certification test used in the State of Georgia to certify teacher expertise in the subject of geography.  Mr. Ellis began teaching at Yeshiva Ohr Yisrael in the fall of 2009 and now teaches the full range of social sciences including AP US History and AP US Government.

Mr. Michael Weinstock

          Mr. Michael Weinstock specializes in etymology, myriad writing genres, and composition. He earned his MFA (terminal degree, PhD) in Writing from Goddard College, in conjunction with University of California, Irvine; a BA in English, and a BA in Philosophy—both earned at University of California, Irvine. He arrived to Yeshiva Ohr Yisrael in 2020 to bring the insight and analysis that English Language Arts can offer the bochurim. In the classroom, he emphasizes analytical reading, grammatical constructs, and writing: Narrative, Literary Analysis, Expository/Argumentative, and Research/Informational. Outside of the classroom, he is researching for and waxing the polish on the final draft of his second novel, Joseph the Golem.


Dr. Mark Yates

          Dr. Mark Yates received degrees in chemistry and biology from Atlanta Metropolitan College and Georgia State University, as well as a master’s degree in neurobiology.  He recently finished his Ph.D. in Educational Policy Studies from Georgia State University, where he conducts research and works as an instructor of educators. Dr. Yates has been with YOY since its inception, and has taught biology, chemistry, physics and environmental science.  He believes that laboratory activity is a key component of science education because the lab is where theory comes to life.