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Caroline Antonacci

Caroline Antonacci, Esq.

Case Manager
Christine Smith
T: 212-607-2783
F: 212-751-4099
620 Eighth Ave., 34th Floor, New York, NY 10018

Caroline Antonacci is available to conduct cases virtually. JAMS is equipped to provide virtual ADR services on a variety of online platforms, including Zoom, Microsoft Teams, WebEx, and more.


Caroline Antonacci, Esq. is a full time mediator, arbitrator, and special master at JAMS.  Prior to joining JAMS, Ms. Antonacci settled thousands of cases for the New York State Supreme Court, Appellate Division, First Department in a wide range of practice areas over nearly two decades. As the full-time Director and Special Master of the Appellate Division, First Department's Special Masters Mediation Program from 1999-2015, she settled over 3,000 complex and high value cases.  She is well known and respected by thousands of practitioners in the New York legal community.   

In addition to her proficiency as a mediator, Ms. Antonacci is an experienced arbitrator.  Since joining JAMS, she has mediated and arbitrated a wide-range of complex disputes including business/commercial, real property, family law/divorce, and personal injury matters.  Ms. Antonacci is known for her tenacity and creativity in achieving both mediation settlements and managing an efficient and reliable arbitration process.  She is regarded for her ability to effectively work with contentious and adverse interests. Ms. Antonacci is uniquely qualified to provide intelligent, practical, and reliable evaluation as part of a thoughtful, balanced, and thourough resolution process.

Ms. Antonacci is a former appellate attorney and litigator.  She has extensive investigative and report writing experience.  She has assisted extensively in the drafting of hundreds of opinions.  Preceding her service as Director and Special Master of the Appellate Division First Department's Special Masters Program, Ms. Antonacci served as a Principal Court Attorney for the Appellate Division, First Department for 6 years. Prior to her career in the Appellate Division, Ms. Antonacci served as Deputy Appellate Counsel for the New York State Organized Crime Task Force, as Assistant Deputy Attorney General for the New York State Department of Law Antitrust Bureau, as an Examining Attorney for the New York City Department of Investigation and as a Special Assistant US Attorney for the Southern District of New York with Rudolph Giuliani.

Representative Matters

  • Real Property
    • Successfully mediated complex real property cases involving sales and purchase agreements, construction, commercial leases, and foreclosures of commercial and residential buildings
    • Resolved numerous real property cases with major New York City real estate developers and universities
    • Resolved co-op and condo disputes involving boards and residents over financial issues, renovations, use of premises, and neighbor/owner disputes
    • Successfully mediated several Times Square redevelopment condemnation disputes
    • Resolved breach of contract dispute involving a major condominium complex in Brooklyn, NY with claims of professional malpractice against design professionals and unfair business practices
    • Successfully mediated partnership dissolution issue involving rights of three owners of a private NY school
    • Sucessfully mediated real estate contract dispute with alleged non-disclosure issues
    • Settled multi-national company breach of contract claim involving the right to purchase under lease agreement
    • Resolved dispute between seller and listing agent involving a celebrity real estate agent
    • Settled dispute involving hospital property with issues regarding the right to purchase
    • Resolved internationally known fashion brand’s disputed lease agreement with a major property owner in New York City
  • Family Law/Divorce
    • Settled hundreds of matrimonial cases, many involving high profile and high net-worth sports, arts, financial, entertainment, and political figures 
    • Resolved numerous matters involving foreign clients, international choice of law issues, pre-nuptial agreements, and pre and post-judgment claims
    • Multi-million dollar estate involving the jewelry business with allegations of fraud
  • Business/Commercial
    • Breach of contract, fee disputes, partnership disputes and dissolutions, fraudulent misrepresentation, and accounting fraud
    • Mediated dispute over enforceability of an appearance agreement from a popular reality television show
  • Construction/Labor
    • Settled hundreds of Labor Law 240(1), 241(6) and 200 cases with multiple defendants, complex insurance coverage issues, and most involving severe physical injury
  • Employment
    • Resolved hundreds of cases involving discrimination and sexual harassment (age, race, religion, national origin, disability, sexual orientation), hostile work environment, wrongful termination and retaliation, non-compete agreements, and executive compensation
    • Resolved an employment dispute involving a multi-million dollar intellectual property issue
    • Breach of settlement agreement entered into with an underlying commission dispute involving a multi-million dollar construction company
    • Successfully mediated claims of gender and religious discrimination involving an employee at a nationally recognized advertising firm
  • Environmental
    • Resolved numerous mold, lead paint, bed bug, and illegal dumping cases
    • Settled a multi-million dollar toxic tort case involving the transportation industry, national and international insurance carriers, and settlement ultimately received Bankruptcy Court approval
  • Insurance
    • Settled numerous cases involving complex coverage claims, bad faith, and coverage denial issues, D&O insurance as well as primary and excess insurance coverage for property and bodily injury claims
    • Settled a $24.5 million dollar catastrophic injury case with complex insurance coverage issues
  • Personal Injury/Torts
    • Resolved hundreds of cases involving wrongful death, accident, catastrophic injury, products liability, New York City Transit Authority and Housing Authority, medical malpractice, automobile, construction site, defamation, libel/slander, elder care, product liability, design defect, and Workers' Compensation
    • Settled a $23 million dollar catastrophic injury case where, prior to the mediation, the case was appealed multiple times to the Appellate Division and the Court of Appeals
  • Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS
  • Author, "The New Tax Code's Impact on Divorce: A Mediator's Perspective," New York Law Journal, May 23, 2018
  • Speaker, "Conference and Settlement and Mediation in Commercial and Personal Injury Cases," New York County Lawyers Association Continuing Legal Education Institute, March 31, 2017
  • Author, "Mediation: A Solution For Resolving Interpersonal Conflict," New York Law Journal, March 20, 2017
  • Author, "Chart a Course for Mediation in New York," New York Law Journal, November 16, 2015
  • US District Court, Southern District Mediation Panel, 1999-present; Mediation Assessment Committee, 2014-2015
  • Certificates of Recognition and Appreciation, US District Court, Southern District, 2003, 2009
  • New York City Bar ADR Committee, 2000–2004
  • New York City Bar ADR Administrator's Committee, 2001-2003
  • Guest Speaker, New York County Lawyers Association ADR Committee, 2014
  • Speaker, "New and Improved ADR Techniques for the Modern American Lawyer," NYS Bar Association, 2012
  • Guest Lecturer, Fordham Law School Mediation Seminar, 2012
  • Speaker, "Mediation and Other ADR in the NY Courts," New York County Women's Bar, 2010
  • Judge, Lawyering Program Mediation Exercise, NYU Law School, 2002, 2007, 2009
  • Guest Speaker, Negotiation Seminar, NYU Law School, 2002
  • Speaker, "Representing Clients Effectively in Court Ordered and Other Mediations," NYC Bar Association, 1999
  • Director and Special Master for the New York State Supreme Court Appellate Division, First Department's Special Masters Program, 1999-2015
  • Principal Court Attorney for the New York State Supreme Court Appellate Division, First Department, 1993-1999
  • Deputy Appellate Counsel for the New York State Organized Crime Task Force, 1989-1993
  • Staff Attorney, New York State Construction Industry Strike Force, 1988-1989
  • Assistant Attorney General, New York State Department of Law, Antitrust Bureau, 1986-1988
  • Examining Attorney, New York City Department of Investigation, 1982-1986
  • Special Assistant United States Attorney for the US Attorney's Office SDNY, 1984-1985
  • J.D., Temple University School of Law, 1982
  • B.A., The College of William and Mary, 1979



Practice Areas

  • Appellate
  • Business/Commercial
  • Civil Rights
  • Construction Defect
  • Employment
  • Entertainment and Sports
  • Environmental
  • Estate/Probate/Trusts
  • Family Law
  • Higher Education & Title IX
  • Insurance
  • Intellectual Property
  • Personal Injury/Torts
  • Professional Liability
  • Real Property
  • Special Master/Discovery Referee


Available nationwide


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