Concord Mediation Group helps couples amicably reach their desired outcomes. Our goal is to assist you in reaching a mutual agreement during the divorce process. Working with both parties, we maintain neutrality from beginning to end.
As you navigate the divorce process, delicate matters will inevitably arise. You will be treated with the dignity you deserve. Your comfort is our priority, and we will do everything we can to ease potential discomfort.
We are connected to a wide network of legal, financial, and mental health professionals. We will bring the appropriate professionals onboard to verify that your every need is met.
The issues resolved in mediation span the gamut of your life, from finances to parenting, and everything in between. We will explore all options and their capacity to sustain both short- and long-term success.
Our years of experience in Family Court provide us with a unique understanding of the divorce process and the technicalities involved. We will guide you through the process — from beginning to end.
We don’t take sides. Each party is served equally, ensuring a peaceful experience for all. Your mediator will remain unbiased and help you reach a resolution everyone is happy with.
After successfully helping 150+ couples, we have the tools necessary to help you. Statistically, agreements reached through mediation have a higher compliance rate than litigated ones.
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Founder – Mediator
Concord Mediation Group was founded by mediation expert Isaac Gruenebaum. Isaac was trained in basic and advanced mediation skills by Sequoia Stalder of Stalder Mediation, and in divorce mediation by Kenneth Neumann, PhD at The Center for Mediation and Training.
A former employee at New City Beis Din, Isaac has a comprehensive understanding of the divorce process. His extensive experience is evident in the quality of his services.
Isaac is driven by his passion for helping others. His calming personality is a welcome reassurance for couples going through divorce.
Family Court Judge William Warren was the Senior Family Court Judge for Rockland County until his retirement in April 2015. Judge Warren’s judicial career began in 1988 and he has presided over thousands of family law cases during his career. Judge Warren is a graduate of Columbia College in 1968, has a Master’s Degree in education from New York University and earned a Law Degree from Brooklyn Law School in 1974. He has served as an instructor or adjunct professor at Rockland Community College, Ramapo College and Manhattanville College.
Judge Warren has been recognized by several Bar Associations for his work in promoting understanding between the legal profession and the community. He has served in various capacities on the boards of many community organizations. Since his retirement in 2015 Judge Warren has been certified as a mediator for the 9th Judicial District of the Unified Court System. He has conducted many mediations both privately and court ordered. He specializes in family mediations including matrimonial and child custody proceedings. In 2020 he was certified in Advance Matrimonial Mediation.
Judge Berliner received his B.A. from New York University in 1973 and graduated with his
M.A.T. and J.D. degrees from Western New England University of Law in 1976.
He began his judicial career in 1977 when he was admitted to the United States District Court,
the Southern and Eastern Districts, New York. He then experienced a long and successful
career serving in the Surrogate and Supreme Courts as well as the Rockland County
Legislature. In 2007, he was elected as a Justice of the Supreme Court in the Ninth Judicial
District, and in 2021, was re-elected. Until his recent retirement, Judge Berliner was the Senior
Resident Supreme Court Justice of Rockland County, New York. His judicial career in presiding
over civil and familial disputes spans close to four decades.
In addition to his judicial career, Bob has been an active member of the Rockland County Bar
Association. He served as Chairperson of the Law Day Committee, and was a member of the
Grievance Committee and the Rockland County Holocaust Museum, among other
organizations. He also worked as a former adjunct professor at Long Island University and
Rockland Community College.
Judge Berliner was most recently trained for mediation by Marc Sheridan, and is available to do
mediation for a variety of issues, including divorce.