Portnoy & Stenmark LLP

Expert Guidance. Personalized Attention.

At Portnoy & Stenmark LLP, we understand that protecting your legacy demands more than legal know‐how—it requires an empathetic partner who listens to your goals and crafts sophisticated, tailored strategies. Led by Judy Portnoy and Nathalie Stenmark, our firm delivers precision estate planning services designed specifically for individuals and families.

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Our Approach

Deep Experience: With decades of practice in implementing advanced gift, estate, and generation‐skipping transfer tax strategies, and complex trust formations, we bring a proven track record.Personalized Service: We take the time to understand your unique family dynamics and wealth objectives.Compassionate Guidance: Our empathetic approach ensures you’re supported at every step—from planning to implementation.Services:
Every successful plan begins with understanding your unique story and the complexities of the law and tax code. We craft strategies that include:Wills & Revocable Living Trusts: Streamline asset distribution and avoid probate delays.
Healthcare Directives, Powers of Attorney for Assets and Guardianship Nominations: Ensure your wishes are honored and loved ones empowered to act on your behalf when needed.
Advanced Estate & Gift Tax Planning: Protect your wealth with gift, estate, and generation-skipping transfer tax strategies and customized solutions.
Specialized Trusts: Including charitable, life insurance, dynasty, and special needs trusts tailored for sophisticated estate needs.
Family Governance: Establish structures that honor family values and promote continuity.
Charitable Planning: Develop strategies that benefit both your legacy and the causes you care about.
Premarital Agreements: Draft and negotiate customized premarital agreements that will allow you to protect assets, reduce conflict, and provide peace of mind before marriage.
Business Succession Planning Help business owners plan smooth transitions—protecting wealth, preserving legacy, and ensuring long-term continuity.

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About Us

Portnoy & Stenmark LLP is a boutique law firm dedicated to providing bespoke trust and estate planning services. We believe that every family’s legacy is unique, and our client-centered approach means every solution is tailored to your specific needs.Judy Portnoy and Nathalie Stenmark lead the firm with a blend of sophisticated legal acumen and genuine personal commitment.Judy Portnoy:
As a native Angelino, Judy has honed her expertise at some of the most prestigious firms in trust and estate law. Before co-founding Portnoy & Stenmark LLP, she held senior positions at Willkie Farr & Gallagher LLP, and practiced at Venable LLP and McDermott, Will & Emery LLP.
Judy earned her J.D. from Cardozo School of Law (Order of the Coif) and a Masters of Law in Taxation from NYU School of Law. Her extensive background enables her to address even the most complex challenges with clarity and care. Outside of work, she enjoys spending time with her husband and three children, traveling, and exploring the outdoors.
Bar Admissions: CaliforniaContact: [email protected]Nathalie Stenmark:
Nathalie helps clients plan for the transition of wealth to future generations, protect their assets and minimize tax burdens. Nathalie takes great pride in counseling clients through some of their most challenging personal decisions.
Prior to co-founding Portnoy & Stenmark LLP, Nathalie spent a decade working at some of the most prestigious law firms in the US with top ranked private client practices, including as Counsel at McDermott Will & Emery and as a senior associate at Proskauer Rose LLP. Before commencing her legal career, Nathalie worked in wealth management at UBS in Zurich, Switzerland, serving Ultra High Net Worth clients in the UK and Nordic markets, giving her a unique perspective on clients’ overall needs and goals.Nathalie received an LLM in Business Law and a JD from USC Gould School of Law. She also earned an LLM in International Business Law and an LLB in Law with Advanced Studies from University College London. Nathalie currently lives in Beverly Hills, California, with her husband and two children. In her free time, she enjoys traveling, skiing, tennis and golf.
Bar Admissions: California, New York
Languages: English, SwedishContact: [email protected]

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