High Net Worth Guide 2026 : New York
Ranked Individuals
Provided by Sullivan & Cromwell LLP
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Sullivan & Cromwell provides comprehensive service to ultra high net worth individuals, families, trustees and charitable institutions on a variety of private wealth law matters, including estate planning, tax planning and litigation, and succession planning.
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Sullivan & Cromwell is my go-to for highly sophisticated planning. The firm stands out for its precision, creativity and business sense. The lawyers shine when faced with the most complex and sophisticated matters. They can distil and simplify them where appropriate and understand where complexity is warranted and where it is unduly burdensome. They are extremely sharp and able to communicate very niche legal concepts precisely to non-lawyers.
The Sullivan & Cromwell team are extremely well informed and knowledgeable. They are very focused on getting the right advice and outcome.
Sullivan & Cromwell stand out for their high level of expertise, excellent ability to manage complex legal and tax matters, and quick response and turnaround times.
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Basil Zirinis earns praise across the market for his in-depth experience advising high net worth clients on private wealth matters. He often advises individuals, fiduciaries and family-controlled businesses throughout the world on domestic and international estate and trust planning, as well as estate and trust administration and litigation.
Basil Zirinis is outstanding!
Basil Zirinis is a top lawyer. He's incredibly good with clients and has the technical knowledge, while knowing how to deal with clients to explain things in simple terms without jargon.
Zena Tamler is best known for her wealth management strategies that involve multi-jurisdictional planning. She often advises high net worth families on sophisticated tax and estate planning matters, while also acting for fiduciaries in connection with the administration of estates and trusts.
Zena is an outstanding lawyer and is very easy to work with. She has a good understanding of issues and relates very well to clients.
Zena is always a pleasure to work with. She is talented, reliable and excellent with clients.
Zena Tamler is a top-notch attorney and adviser. She is our go-to adviser and can always be counted on for the quality of her work.
Bachir Karam represents high net worth clients in a wide range of trust and estate matters, including cross-border estate, tax and trust planning.
Bachir Karam is an excellent attorney.
Bachir is a pleasure to deal with. He's very smart, experienced and has a wealth of knowledge on structuring complicated trusts and foundations.
Charles Dowling has considerable experience advising high net worth families and individuals on many aspects of their private wealth affairs.
Charles has a very sophisticated practice and is an excellent lawyer.
Charles Dowling has an exceptional sense for what his clients want and need. He immediately gets down to the bottom line or key issue of very complicated transactions and will give you real advice.
Special counsel Shifra Herzberg advises high net worth clients on sophisticated wealth and estate planning and multi-generational wealth transfer.
Shifra's knowledge is literally encyclopaedic and she is unique in her ability to spot issues; nothing gets past her. She is also incredibly warm and attentive to her clients and genuinely cares.
Shifra Herzberg is excellent. She has strong technical skills but is also practical with her advice. She is pleasant to work with and is a true partner to our organisation.
Private Wealth Law
Private Wealth Law
Private Wealth Law
Private Wealth Law
Private Wealth Law
Provided by Sullivan & Cromwell LLP
Charles T Dowling
View profile of Charles T DowlingZena Tamler
View profile of Zena TamlerBasil P Zirinis
View profile of Basil P ZirinisShifra Herzberg
View profile of Shifra HerzbergBachir Karam
View profile of Bachir KaramHigh Net Worth 2026
Practice area: Private Wealth Law
Location: USA - Nationwide
View department profile for High Net Worth 2026High Net Worth 2026
Practice area: Private Wealth Law
Location: London (Firms)
View department profile for High Net Worth 2026
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