90 Grove Street, Suite 212
Ridgefield, CT 06877
31 Brookside Drive

Professional Details

Eric R. Posmantier
Senior MediatorSenior MediatorSenior Mediator

Law Offices of Eric R. Posmantier, LLC

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Office locations in
Ridgefield and Greenwich, CT
(203) 930-1515
Fax: 203-916-6909

Description of Practice

Two Office Locations:

90 Grove Street, Suite 212
Ridgefield, CT 06877
31 Brookside Drive
Greenwich, CT 06830

Attorney Posmantier is a graduate of the 40-hour Mediation Certificate Program at the Quinnipiac Center on Dispute Resolution, which was named 12th in the nation by U.S. News & World Report in its 2017 Best Graduate School rankings. He is a founding member of the Law Offices of Eric R. Posmantier, LLC, and an experienced family law attorney who focuses his law and mediation practice on all aspects of divorce, as well as post-divorce alimony and child custody modification matters.

Mr. Posmantier began his career in 1997 with a legal research clerkship at the Department of Legal Research for the Judicial Branch, Superior Court of Connecticut. He subsequently joined the Greenwich, Connecticut, firm, Fogarty Cohen Selby & Nemiroff LLC (“FCSN”) as an associate in 1998. He became a partner at FCSN in 2007, focusing a large part of his practice on high net worth asset division and support awards, as well as on complex child custody disputes. He remained at FCSN through the end of 2012.

Professional Background

Mr. Posmantier has successfully argued in front of the Appellate Court of Connecticut on numerous occasions, and twice appeared before the Connecticut Supreme Court. He serves as a special master for the Connecticut Superior Court, working with attorneys and litigants to resolve high-conflict child custody disputes at the Regional Family Trial Docket in Middletown, as well as assisting parties to resolve financial disputes in the Judicial District of Stamford-Norwalk. Mr. Posmantier served as co-chair of the Family Law Section of the Fairfield County Bar Association from 2003 to 2006.

Other Information

A graduate of the State University of New York at Albany and Rutgers University School of Law at Camden (where he was on the staff of the Rutgers Law Journal), Mr. Posmantier was selected as a “Rising Star” in the New England Super Lawyers publication each time he was eligible between 2009 and 2011. He is also on a select list of Connecticut divorce law attorneys age 45 & under on TenLeaders.com and has a “Superb” rating with more than thirty-five 5-out-of-5 client reviews on Avvo.com. He was recently listed in the November 2015 edition of Greenwich Magazine’s 213 “Top Lawyers in Fairfield County”, as provided by Avvo.

Mr. Posmantier is admitted to practice in Connecticut and New York.

Areas of Practice

  • Divorce (all issues)
  • Divorce (parenting)
  • Family
  • General
  • Prenuptial

Professional Services

  • Mediator
  • Mediator-Arbitrator
  • Mediation Consultant
  • Representational Lawyer
  • Mediating Lawyer
  • Arbitrator
  • Facilitator
  • Online Mediator
  • Online Arbitrator
  • Parenting Coordinator

This dispute resolution professional keeps professional liability insurance.