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Board of Governors 2024-2026


Mendy Maierovitz

Executive Officers:
Yaakov Goldrich, First Vice President
Lori Disenhouse, Second Vice President
Tamar Arje, Treasurer
Elianne Koschitzky, Secretary
Louis Vandersluis, Gabbai
Jonathan Ostro, Immediate Past President

Board Members:
Brian Cantor, Advisory Council of Past Presidents Representative
Miriam Bessin
Sholom Eisenstat
Nathalie Gans
Zev Gasner
Farokh Hakimi
Sara Lass
David Nadler
Abigail Romberg
Erez Rubinstein
Brian Schwartz
Ted Shoub
Rachel Shour
Akyva Spiegel
Zahava Stadler
Steven Strauss
Jesse Tepperman
Florence Weinberger

Board of Governors 2022-24

Executive Officers

Jonathan Ostro

Jonathan is a lifelong, 3rd generation, Member of Shaarei Shomayim. Bris, Bar Mitzvah, baby namings, many smachot were experienced at Shaarei Shomayim. Married to Tsiona with two daughters, Emanuelle and Arielle. Prior to filling the role of President, Jonathan served as Treasurer of the shul for 4 years, and sat on the Executive Commitee and Board of Directors. In a professional capacity, Jonathan is a Chartered Public Accountant. 

Yaakov Goldrich
Vice President

Yaakov Goldrich is the current Vice-President of the Shul and has called Shaarei Shomayim home his entire life. Yaakov is fortunate to have celebrated many life-cycle events in the Shul, including his bris, bar mitzvah and wedding. Yaakov is a practicing real estate lawyer in Toronto and hopes to draw on this expertise and his history with the Shul to further develop Shaarei Shomayim as a leading synagogue in Toronto’s Modern Orthodox Jewish community. Yaakov lives close to the Shul with his wife Tamara and sons Noah and Aiden, and is excited and appreciative of the opportunity to serve and act as a leader for our members.

Raquel Goldberg
Vice President 

Raquel Kaplan Goldberg is a practising Wills and Estates lawyer, and an active volunteer at Shaarei Shomayim. Over the years, she has served variously on the synagogue’s religious committee, adult education committee, constitution committee, chessed committee, rabbinic search committee, and Board of Governors, and she currently serves on the Executive as Vice President.

Ian Rosmarin 

Ian Rosmarin is the newly minted Treasurer of Shaarei Shomayim, having previously served on the Board of Governors and been a member of the Budget and Finance Committee. Ian is the founder and chairman emeritus of Prime Quadrant Inc., a leading investment advisory firm, and loves to discover and structure investment opportunities for his family and partners. His first love and priority is his family, friends, community, and Israel, which keep him fully engaged and happy doing what he does.    

Farokh Hakimi

Farokh Hakimi is the retired Executive Vice President & Chief Financial Officer of INCO Limited, the Western World’s largest producer of Nickel. He is currently involved in investments in different industries. Farokh received his Masters and PhD degrees from Princeton University. Farokh has been a member of Shaarei Shomayim since moving to Toronto 22 years ago. He has served on its Board on numerous occasions, and currently serving on the Executive and Board of our shul.

Louis Vandersluis 
Louis Vandersluis has been a member of Shaarei Shomayim Congregation since 1980, when he and Risa were married by Rabbi Hoschander in the Sharp Sanctuary. Shaarei Shomayim has been a big part of his life, where he and his family celebrated many smachot. Louis grew up at Shaarei Tefillah Congregation, attended Associated Hebrew school, the Community Hebrew Academy of Toronto, and the University of Toronto. In 1982 he graduated from U of T Dental school, and continues to practice general family dentistry at Eglinton and Bayview. In 2018, incoming President Randall Craig asked him if he would take the position of Gabbai. Having felt the support of our shul during the previous 2 years during which he was saying Kaddish for both of his parents z''l, he immediately accepted the position. He derives great satisfaction in helping our members feel valued by reaching out during lifecycle events. He looks forward to serving all of you and to continue working with our amazing clergy, leadership, volunteers and office staff. Louis is a member of the Executive, serves on the  Board of Governors, Religious Committee, High Holiday Committee, and previously on the Rabbi Search Committee. Louis welcomes your comments and feedback. You can reach him via email at

Robin Gofine
Past President

Robin Gofine has been working in the Jewish community of Toronto for over twenty-five years and has lead projects with local, national and international impact. She has held leadership roles in both professional and lay capacities, having served as Vice President, Strategic Community Planning and Engagement at UJA of Greater Toronto and National Executive Director of The Jerusalem Foundation of Canada. She currently serves as Executive Director of the National Council of Jewish Women, Toronto section Robin’s skill and passion lies in community building, change management and social innovation. Robin has served on the Board of Shaarei Shomayim Congregation for many years and currently serves as Immediate Past President of Shaarei Shomayim Congregation. Robin is trained as both a lawyer and a social worker,  is married to Timothy Gofine and is the mother of three adult children.

Board Members

Advisory Council of Past Presidents Rep.

Currently involved with numerous charities (Boys Town Jerusalem, Jews for Judaism, Bikur Cholim, Mazon Canada, B’nai Brith), one of the Gabbaim at Hashkama Minyan, on Chesed Committee, Chair of Advisory Committee of Past Presidents, regular attendee at daily Minyanim, proud grandfather of five.


Tamar is a certified public accountant. She works in Finance at Ceridian. Tamar has been a member of Shaarei Shomayim since she was a young kid and has served as co-chair of the Membership Committee for the past few years. She met her husband volunteering at a Shaarei Shomayim Youth Program.

Dov Begun


Dov has been a member of Shaarei Shomayim for many years as well as a past board member, committee chair and a former member of the executive as vice-president. Dov is delighted to return to the shul’s board and work together to strengthen the shul for all. 
Dov is a partner in the tax practice at Osler, Hoskin & Harcourt LLP. Most importantly, Dov and Bonnie have four children who have grown up at the shul. Dov appreciates the importance of Jewish communal life of volunteering and philanthropy to enhance our community.

Golda Brown

Golda Brown has worked in her family business, Al G. Brown & Associates, for 39 years helping clients achieve the purposes they value most. She has served in leadership positions at the Jewish Federation and sat on the foundation board at Baycrest Hospital, and on the executive board of Canadian Association of Family Enterprise. One of Golda’s personal passions is supporting men and women who have experienced the tragedy of perinatal death. She is a past president of PEPDA (Parents Experiencing Perinatal Death Association). Golda follows in the footsteps of her father, Al G. Brownz’l, a past president of Shaarei Shomayim. Her brother, David Brownz’l, was a dedicated member of the congregation who blew the shofar during High Holy Days services for many years. Golda is married to Dr. Harry Krakowsky and they have two children and four grandchildren.  

Sholom Eisenstat

Sholom is retired from a long career in Jewish and secular education. He was educated in the local day school system (CHAT '74) and at Hebrew University and McGill University (MA Jewish Studies). He taught limmudei kodesh in Winnipeg and Toronto schools and then taught Computer Studies in TDSB and YRDSB high schools for 25 years. He regularly teaches a local private shiur and is researching and writing a book. He is a founder of ADRABA, an Ontario-based, online Jewish high school. Sholom and his wife, Rifka, have 2 daughter and 5 grandchildren.

Laurie Fialkov 

Laura (known to most at Laurie) and her family have been members of Shaarei Shomayim for over 20 years. She is an active member, serving on the Board for three consecutive terms, is current chair of the venue committee, and a former member of the hospitality committee, and of the lay Security team. Laura was a Business Development and Research & Development executive in the Canadian Biotechnology and Life Sciences Venture Capital industries for over 15 years. She began her career as a Research Scientist after obtaining her PhD in Biochemistry and Molecular Genetics from the University of Oxford. Laura now focuses her time and skills on multiple volunteer efforts in addition to managing her husband Jeff’s clinical and academic practices. She is currently working on the establishment of a not-for-profit association in the healthcare sector, and has been actively involved with Jeff in establishing access to reconstructive surgical services to the local population in Rankin Inlet, Nunavut. 

Mark Greenberg

Ian Kessler

Ian Kessler is a private equity investor at Brookfield Asset Management. Originally from Los Angeles, Ian has served on several committees at Shaarei Shomayim, including the Ba'al Tefillah and Senior Rabbi Search committees, as well as the Religious Committee.

Elianne Koschitzky


Sara Lass

Sara Lass is a speech-language pathologist for the Preschool Speech & Language program at the George Hull Centre. She has served the Shul in many different capacities including as a youth leader, youth director, young professional committee chair, new members chair and now co-chair of the youth committee. Sara is very excited about what is in store for Shaarei Shomayim youth!

Mendy Maierovitz

Mendy received Rabbinical ordination from Yeshivas Minchas Yerushalayim, Tel Stone Israel as well as the Institute for Yoreh Deah, Yerushalayim, Israel. Additionally, he received a degree in Psychology from York University.
While in University, his many volunteer pursuits included Head of Jewish Student Federation and York University Student Struggle for Soviet Jewry. 
After graduating, along with Rabbis Joseph Kelman and Rabbi Yitzchok Witty, Mendy set up JF & CS's First Group Home for Jewish teenagers.
Mendy has sat on numerous boards which include Mt. Sinai Hospital, UJA Federation, JF & CS, 24kt Club, along with various shuls.
He also wears the title of "Candy Man" at Shaarei Shomayim's Downstairs Minyan. 

Gayle Roberts

Gayle Roberts is a lawyer who practiced law for 10+ years primarily in US corporate tax. Gayle is licensed to practice law in both Ontario and New York. Gayle was also selected as one of the first fellows at Drisha Institute for Jewish Education. Gayle and her husband Jeff along with their family have been members of Shaarei Shomayim for nineteen years. They have enjoyed many shiurim and other activities at the shul. One of Gayle's favourite Torah teachers was Nechama Leibowitz z"l. During university, Gayle and her friend corresponded with Nechama regarding their answers to her Torah worksheets, and were privileged to receive Nechama's handwritten notes in response. Gayle obtained her BA in Economics from Barnard College and her J.D. degree from Columbia Law School.

Elie Roth

Elie Roth is a partner at Davies Ward Phillips & Vineberg LLP, where he has practiced tax law for 25 years. He received his law degree from Osgoode Hall Law School, and also holds a master of laws in the field of US taxation and a PhD in European constitutional law. Elie is author or co-author of a number of books, including Federal Regulation of Charities and Canadian Taxation of Trusts, and has advised the Canadian Department of Finance on various matters relating to the charitable sector. He has also advised the Royal Family. Elie is a board member or advisor to numerous charities and non-profit organizations. He has served on the board of Shaarei Shomayim for the last decade, where he has co-chaired the religious committee and the constitution committee and has been a member of the Executive. He is married to Judy, and has two children, Hillel and Sophie, and a dog named Winston.

Brian Schwartz

Brian is vice-president, Science and Population Health at Public Health Ontario.  He also serves as the co-chair of the Ontario COVID-19 Science Advisory Table and is a Professor at the University of Toronto.  Brian and Robbie have been members of Shaarei Shomayim for over 30 years and B'H have four children and many grandchildren.  Robbie is a former Board member and Brian has attended the morning Gemara shiur since its inception in 2005. 

Rachel Shour
Rachel Shour spends her professional time working as a family physician with a focussed practice in mental health. She has had the privilege of many volunteer roles at Shaarei Shomayim including involvement in the youth committee, developing the Women’s Megillah Reading series, and most recently serving as a board member.

Akyva Spiegel

Akyva is a Human Resources professional, currently acting as a Client Relations Manager. He works closely with executive clients and stakeholders, conducting program analysis, providing strategic advice and leading transformation initiatives. He establishes strong rapport with clients to understand their goals, aiming to drive delivery from a people-centred approach.
Akyva grew up at Shaarei Shomayim and is now a member with his wife, Gila, and their three children, all of whom celebrated smachot at the shul. 

Zahava Stadler

Zahava is a public policy professional working on education and inequality issues, with experience in the public and nonprofit sectors. She holds a bachelor's degree in political science and masters' degrees in public administration and education policy. Zahava has served on the Board, the Adult Education Committee, and the Religious Committee at Shaarei Shomayim and gives periodic classes in the shul. She moved to Toronto from New Jersey in 2018 and she, her husband, and their two daughters are delighted to be part of the community.

Jesse Tepperman

Jesse Tepperman is an Associate Principal at The Bedford Consulting Group,  a global executive recruitment firm located in downtown Toronto. Jesse has been involved in a number of organizations within the Jewish community and community at large including One Family Fund and the Princess Margaret Hospital Foundation. Jesse, along with his wife Alexa, and their sons Billy and Dean are all members of the shul. Jesse is excited about returning to the board for his second term and looks forward to creating new opportunities for young professionals in our community.

Shlomie Yunger



To contact an officer, please call the office at 416.789.3213 or send an email to Your email will be forwarded to the appropriate person. Please be clear to whom you would like the email to be forwarded.

Mon, 15 July 2024 9 Tammuz 5784