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Sarah Constantine counsels high-net worth US and international individuals, their families, family offices, and closely held business on an variety of US-based and cross-border estate planning and wealth preservation matters with a particular focus on estate and gift tax minimization strategies. Her experience includes assisting international clients on creating tax efficient strategies for US-based investing, as well as other US income and transfer tax matters including trust and probate issues, matters relating to migration to and from the US, expatriation, and asset protection planning. Sarah also focuses on matters relating to IRS, state and local tax controversies and assists clients in the process of becoming compliant with US tax laws and related reporting obligations.

In addition to serving individuals and families, Sarah advises public charities, private foundations and other tax-exempt organizations on a wide variety of tax compliance and general corporate matters. Prior to joining the firm, Sarah had a career in public service working in corporate philanthropy and public health.


Best Lawyers
"Ones to Watch" — Trusts and Estates (NY) (2021-2024)
"Ones to Watch" — Tax Law (NY) (2021-2024)



  • J.D., Fordham University School of Law, 2012
  • B.S., University of California, Berkeley, 2002, with honors


  • New York
  • U.S. District Court, Southern District of New York