Amanda L. Vanderhorst

Amanda Vanderhorst focuses her practice exclusively in all areas of family law including divorce, child custody, alimony and support, modification actions, paternity actions, drafting antenuptial agreements, issues of same-sex parenting, as well as adoptions and guardianship. She is experienced litigating highly contested custody and parenting plan issues and complex financial issues including business valuations, executive compensation, and the treatment of trust property in the division of the martial estate. She is skilled working cooperatively in settlement negotiations and representing clients in mediation, conciliation and other forms of Alternative Dispute Resolution.

Ms. Vanderhorst is firmly committed to ardent representation of her clients. She has been recognized for her advocacy by Boston Magazine as a “Massachusetts Super Lawyers Rising Star” in the area of family law since 2014. Only 2.5% of attorneys are selected as Rising Stars following a multistep selection process of nominations and peer evaluations by a Thomson Reuters rating service in Boston Magazine. Ms. Vanderhorst also received an award from the American Institute of Family Law Attorneys in 2016 for 10 Best Female Attorneys for Client Satisfaction and she is a Certified Financial Litigator by the American Academy for Certified Financial Litigators.

Ms. Vanderhorst is also dedicated to zealous advocacy for children. She is a volunteer attorney for the Attorney Representing Children (“ARC”) Program at the Middlesex Probate and Family Court which provides legal representation to children in high conflict custody cases. Ms. Vanderhorst previously served as an attorney in Care & Protection cases as part of the Children and Family Law Panel of the Committee for Public Counsel Services.

Prior to joining Kates & Barlow in 2011, Ms. Vanderhorst worked from 2004 – 2011 at the law firm of Stern, Shapiro, Weissberg and Garin, LLP, where she gained extensive litigation experience from a wide variety of complex criminal and civil matters in the United States District Court, Supreme Judicial Court, Massachusetts Appeals Court, Massachusetts Superior Court and Juvenile Court.


Professional Memberships and Associations


  • Second Class Children: The Necessity of Intended Parent Doctrine to Protect the Children of Same Sex Couples in Massachusetts, Massachusetts Family Law Review, January 2009, Vol. 27, pp. 1-6

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A Vanderhorst Super Lawyers

2 Years 10 BEST FLA Female

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