Firm PROFILE
ZwillGen PLLC
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ZwillGen PLLC

USA 2026

Chambers ranking badge

Rankings

USA

Leading firm in USA 2026

Top figures

48

Lawyers

4

Offices

2010

Established Year

Content provided by ZwillGen PLLC

Overview

Provided by ZwillGen PLLC

ZwillGen is a technology-focused law firm advising companies on privacy, cybersecurity, artificial intelligence, digital advertising, consumer protection, online safety, and emerging technology regulation. Combining legal and technical expertise, the firm counsels clients on product development, data governance, incident response, investigations, litigation, and complex regulatory challenges across rapidly evolving technology sectors.

Industry sectors (15)

  • Technology
  • Software & SaaS
  • Artificial Intelligence
  • Data & Analytics
  • Social Media & Digital Platforms
  • Advertising & Marketing Technology
  • E-Commerce
  • Financial Services & FinTech
  • Healthcare & Digital Health
  • Education Technolopgy (EdTech)
  • Telecommunications
  • Gaming, Gambling & Fantasy Sports
  • Digital Media & Publishing
  • Media & Entertainment
  • Consumer Products & Retail

Capabilities (12)

  • Privacy & Global Data Protection
  • Artificial Intelligence & AI Governance
  • Cybersecurity & Incident Response
  • Technology Transactions & Commercial Agreements
  • Digital Advertising & Consumer Protection
  • Trust and Safety & Content Moderation
  • Law Enforcement & Surveillance
  • Regulatory Investigations & Enforcement Defense
  • Privacy Litigation
  • Web Scraping & Alternative Data
  • Children’s & Teen Privacy
  • Gaming, Gambling & Fantasy Sports

Clients (12)

  • Allstate
  • Asana
  • Bloomberg
  • Discord
  • DocuSign
  • DoorDash
  • FanDuel
  • GameStop
  • iHeartMedia
  • Marriott International
  • NBCUniversal
  • NordVPN

Key people

Provided by ZwillGen PLLC

  • Marc Zwillinger

    Founder & Managing Member

  • Stacey Brandenburg

    Shareholder

  • Ken Dreifach

    Shareholder

  • Kandi Parsons

    Shareholder

  • Jon Frankel

    Shareholder

  • Melissa Maalouf

    Shareholder

  • Jacob Sommer

    Shareholder

  • Mason Weisz

    Shareholder

  • Anna hsia

    Shareholder

  • JeffLandis

    Shareholder

Work & experience

Provided by ZwillGen PLLC

ZwillGen helps innovative companies build, launch, and scale products while navigating evolving legal and regulatory risk. The firm is known for its work in AI governance, privacy, cybersecurity, digital advertising, children’s privacy, fintech, trust and safety, and cross-border data flows. A multidisciplinary team of lawyers and data scientists provides practical guidance on complex technology, data, and product-related challenges.

Ranked Offices at ZwillGen PLLC

Provided by ZwillGen PLLC

USA - Head office

District of Columbia

1900 M Street NW, Suite 250, Washington, DC, District of Columbia, USA, 20036, Washington, DC

Ranked Departments at ZwillGen PLLC (2)

USA - Nationwide

Ranked Individuals at ZwillGen PLLC (5)

USA - Nationwide

Top figures

48

Lawyers

4

Offices

2010

Established Year

Content provided by ZwillGen PLLC

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