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Irv Robinson, Co-President

Irv recently sold his plastics manufacturing business of 45 years. He has served in various leadership and non-leadership roles in Kansas City area nonprofit organizations. Irv has been studying Mussar since 2009, has facilitated courses since 2012, and has served on the TMI Board for several years.

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Sandy Greenstein, Co-President

Sandy has more than 30 years of experience in manufacturing, construction, and risk management-loss control. He lives in beautiful Thousand Oaks, Calif. He believes strongly in Mussar’s path of Jewish character development and spiritual growth. and that by practicing Mussar and as a Mussar Facilitator, he has helped close the gap between his ideals and the life he actually leads.

Karen Cheniae

Karen Cheniae, Vice President & Treasurer

Karen Cheniae, Dallas, Texas, is a CPA and Chief Financial Officer at Lebco,  a retail and real estate development company. In her 25 years with Lebco she has supervised operations and administration of Lebco’s $70 million annual budget.  Karen began practicing Mussar in 2011 and says she is honored to be able to give back to The Mussar Institute by serving as Treasurer.

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Annabelle Imber Tuck, Secretary

Annabelle is the first woman elected justice of the Arkansas Supreme Court and the author of the original order that reshaped the financing of public education in the state. In 1994, she issued an order declaring the state’s system of funding and operating its public schools unconstitutional and gave the Arkansas General Assembly two years to produce schools that guaranteed every child the same opportunity for a good education, as the state constitution required. She was re-elected twice before retiring.


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Julie August

Julie has been facilitating Mussar va'adim since 2009.  At her Temple of 3,400 families, she served as an officer and president for 16 years., helping to launch innovative programs such as Jewish yoga and Kabbalah, and programs to engage Millenials. She has been a yoga instructor since 2006. Julie earned a BA in marketing from Michigan State University.  She and her husband Larry have 2 married daughters.

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Daniel Beaupain

Daniel practices as a legal guardian / trustee after decades of being active as a management consultant. He is a gabbai, teacher, and board member at the Liberal Jewish Congregation of Amsterdam. Daniel is one of two Mussar facilitators and leaders outside the U.S. and supports or facilitates three Mussar va’adim in the Netherlands and one in Germany. He has been participating in a multinational va’ad since 2005, has been principal teacher of the Mussar Institute Europe since its founding and has translated “Everyday Holiness” into Dutch.

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Leslie-Anne Copes-Finke

Leslie-Anne Copes-Finke is the Teen Program Manager for The Mussar Institute (TMI), co-leader of the Teen Task Force, and a member of the Board of Directors. As a member of the education staff at Beth El Temple Center in Belmont, MA, she has facilitated TMI’s Challenges and Choices: A Jewish Teen’s Guide to a Balanced Life with a group of 11th and 12th grade teens for the past year.

Leslie has over ten years of experience in the areas of leadership and team effectiveness, and another ten years working professionally in fundraising. She Leslie has served as a consultant for Combined Jewish Philanthropies’ Leadership Development Institute, is a Vice-Chair of the URJ Communities Leadership Team (NE), and more. She is the proud mother of three, ages (17, 20, and 23), and is a past president of volunteers in her synagogue community.

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Sandy Diamond

Sandy is the Director of Development at Temple Emanu-El in Dallas, Texas. Her 30-year career in development spans the private and non-profit sectors. Sandy’s non-profit work has been in education, social services, and Jewish educational administration and fundraising. Sandy says she has benefitted greatly from her Mussar classes and her teachers. She is new to the Mussar Board this year and is looking forward to giving back to The Mussar Institute.

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George Gabanyi

Bio Coming Soon

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Sandra Lief Garrett

Sandy is a program and resource development consultant to nonprofit organizations. She comes to the role following a four-decade career in leadership positions in the public and nonprofit sectors in which she focused on helping women, children, new immigrants and refugees succeed. She has studied and practiced Mussar since 2011, and joined the Board in 2012.

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Steve Goldberg

Steve is a business attorney and restaurateur in Detroit Michigan. Finding a spiritual calling early in life with a traditional Jewish family and yoga practice since 1972, Steve was a natural to Mussar. Beginning Mussar practice in 2013, he has followed a steady progression of TMI distance learning offerings, traveled on the Israel 2017 mission, and is a member of Rav Nussbaum’s va’ad.

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Robert Mass

Robert Mass is Senior Advisor, Compliance Division, The Goldman Sachs Group L.P. Prior to joining the firm, Rob was an assistant district attorney in New York County, where he served as deputy chief of the Investigation Division and chief of the Labor Racketeering Unit. Prior to that, he worked at Kramer, Levin, Nessen, and Kamin, a New York corporate law firm, and at the American Civil Liberties Union. Rob is chairman of the FCA Markets Practitioner Panel. Rob is a graduate of the University of California, Santa Cruz, and Harvard Law School.