Greenberg Glusker is pleased to announce that Chambers and Partners has recognized Private Client Services Co-Chairs, Laura Zwicker and Stefanie Lipson, and Private Client Services Partners, Darryl Cluster, and Thomas Giordano-Lascari in its 2026 High Net Worth Guide for Private Wealth Law, with Partner Marc M. Stern receiving recognition in the Guide for Private Wealth Disputes.

We congratulate Stefanie Lipson on being elevated to Band 2, Marc M. Stern (Band 3) on his return to a banded ranking within the guide, as well as Laura Zwicker (Band 1), Darryl Cluster (Band 3), and Thomas Giordano-Lascari (Band 3) for remaining strong in their current positions. Our Private Client Services Group also holds its esteemed ranking in Band 2.

The Chambers High Net Worth Guide ranks the top lawyers and law firms for international private wealth based on in-depth analysis provided by their team of experienced researchers. The Guide is used by family offices and professional advisers to wealthy individuals, providing objective guidance on an international scale. Chambers research is conducted by 200 research analysts, across 200 jurisdictions collecting hundreds of thousands of responses annually from clients, the majority via in-depth interview.

Lawyers

Laura Zwicker (Band 1)

Laura Zwicker’s practice focuses on advising multinational and domestic families across generations on the tax, trust, and philanthropic issues involved in global and domestic wealth transfer. Laura provides tailored advice on tax residency and pre-immigration and emigration structuring, counsels founders on liquidity event planning, and serves as outside counsel to family offices and fiduciaries on a variety of planning issues, including the implications of family members and beneficiaries becoming U.S. tax resident. Laura partners with leading legal, tax, and family office advisors across Europe, Asia, Australia, and New Zealand, to ensure integrated structuring that best achieves clients’ objectives across jurisdictions.

Stefanie Lipson (Band 2)

Stefanie Lipson provides comprehensive counsel to domestic and international families, family offices, real estate and tech entrepreneurs, high-profile entertainment figures, private investors, and closely held business owners and founders in all aspects of personal wealth, tax, estate and succession planning.

Darryl Cluster (Band 3)

Darryl Cluster’s practice focuses on a broad spectrum of estate planning services including succession planning and tax savings. In addition, Darryl counsels nonprofit organizations of all types including family foundations, operating foundations, and public charities.

Thomas Giordano-Lascari (Band 3)

Thomas Giordano-Lascari assists clients in structuring their worldwide assets to maximize family objectives and minimize income and transfer taxes. Thomas frequently aids clients with pre-immigration planning, foreign investments in the United States, U.S. residency planning and management, and expatriation planning. He frequently provides sought-after guidance on foreign trusts to foreign fiduciaries, U.S. beneficiaries, and grantors, addressing compliance obligations and tax consequences.

Marc M. Stern (Band 3)

Marc M. Stern's practice focuses on representing individuals in connection with the retention and disposition of their wealth, including estate planning, transfer tax planning and premarital agreements, and in connection with obtaining benefits left to them by others, including estate and trust administration and probate litigation.

Practice Group

Private Client Services (Band 2)

Our Private Client Services Group serves some of the most discerning ultra-high net worth individuals and families in California and beyond, as well as family offices, corporate and individual professional fiduciaries, and public and private non-profit organizations. We provide advice and counsel to real estate investors and developers, internet entrepreneurs, hedge fund principals, actors, artists, authors and athletes in preserving privacy and control over their assets, and allowing for tax efficient succession that reflects their wishes and values at all stages of life. Our noted clients trust our seasoned professionals to help them successfully navigate wealth transfer and preservation, and develop the right documents to reflect their individual aspirations and values, and accomplish family and business objectives. Our clients also turn to us when there is a need for more public representation, whether involving gift and estate tax disputes with the Internal Revenue Service or contentious trusts and estates matters that require litigation advice.

Laura A. Zwicker

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