Practical. Creative. Trusted.
Focused on helping clients navigate emerging tech, AI, and data-related legal challenges.
ZwillGen Named Among 2026 “Best Law Firms” for Privacy and Data Security
We’re honored to be recognized in the 2026 edition of Best Law Firms for our practical, client-focused approach to navigating complex privacy and data security challenges.
Our Practices
We provide unparalleled expertise across a wide range of areas, including artificial intelligence, privacy and global data protection, cybersecurity, law enforcement and surveillance, marketing and e-commerce, vendor contracting, alternative data, gaming, gambling, and fantasy sports, and related investigations and litigation. Our attorneys are uniquely positioned to identify issues that others might overlook, offering clients a more focused and strategic legal perspective.
Privacy & Global Data Protection
Our experienced team can help you asses, build, improve, and maintain your company's practices related to privacy, information security, marketing, vendor and customer contracting, and more.
Information Security
We develop consumer-facing and internal privacy and security policies and incident response plans that can bring your company into compliance with applicable laws and keep pace with developing industry standards.
Our Practices
We provide unparalleled expertise across a wide range of areas, including artificial intelligence, privacy and global data protection, cybersecurity, law enforcement and surveillance, marketing and e-commerce, vendor contracting, alternative data, gaming, gambling, and fantasy sports, and related investigations and litigation. Our attorneys are uniquely positioned to identify issues that others might overlook, offering clients a more focused and strategic legal perspective.
Artificial Intelligence
We advise clients on development, operationalization, and adoption of machine learning, large language models, and other technologies powered by artificial intelligence.
Law Enforcement & Surveillance
We advise tech companies on their rights and responsibilities in responding to law enforcement requests, including issues related to subpoenas, court orders, search warrants, national security, and real-time surveillance orders.
Gaming Licensing Simplified
ZG Gaming Solutions is a specialized service provider that handles the complexity of gaming licensing for operators, executives, service providers, and investors. We worry about licensing so you don't have to.
Blog
Recent insights from the ZwillGen blog.
Our Team
Get direct, practical answers — the kinds of answers that help you make decisions — from a team with decades of combined experience.
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Laura-Kate Bernstein
attorney
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Sheila Marie
staff
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Daniel de Zayas
attorney
Our Culture
We like the work we do and we like each other. And we take our work seriously, but we don't take ourselves too seriously.
Trusted by industry heavyweights
Some of the biggest names in technology, media, gaming, and more rely on us to respond to and resolve their most serious legal challenges.
Thought Leadership
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November 3, 2025
AI Firms Grapple with Emotional Chatbots
In this The Deep View article, Brenda Leong discusses why recent regulations limiting underage users’ access to open-ended chat with AI are “more important than ever.” Leong explains that minors are at a great risk because they have “less...
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October 31, 2025
Florida AG’s Roku Lawsuit Could Reshape Children’s Privacy Litigation Against Big Tech
In this Law.com Daily Business Review article, ZwillGen Shareholder Stacey Brandenburg weighs in on the Florida Attorney General’s lawsuit against Roku, discussing how the case could reshape children’s privacy enforcement and litigation across the tech...
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October 9, 2025
States Turn to Outside Firms to Generate Big Privacy Settlements
Regulators across multiple states are increasingly turning to outside law firms to pursue high-stakes data protection enforcement actions. In this Bloomberg Law article, Marc Zwillinger discusses how these partnerships are blurring the lines between AG...
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October 7, 2025
ZwillGen’s Marci Rozen Joins Nasdaq TradeTalks to Discuss AI and Data Governance
ZwillGen Senior Legal Director Marci Rozen appeared live on Nasdaq TradeTalks with Jill Malandrino to share insights on how companies can balance AI innovation with evolving privacy and data governance requirements. Marci and her fellow panelists discussed the growing challenges...
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September 29, 2025
UN Aims to Shape Global AI Rules
In this The Deep View article, Brenda Leong breaks down the recently announced Global Dialogue on AI Governance by the United Nations, an initiative aimed at building “safe, secure and trustworthy AI systems”. Read the original article here. Every region...
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September 23, 2025
‘Tip of the Iceberg’: Lawyers Look to Address Risks From Gen AI Transcription Tools
In this Law.com article, Andrew Eichen helps explain why legal teams could be risking client confidentiality when using AI-powered transcription tools. These types of software train their models with users’ conversations, allowing the ensuing transcriptions to be a potential output for a future third party....
