Practical. Creative. Trusted.

We are a boutique law firm focused on helping clients navigate emerging technology and data-related legal challenges.

Ranked in Chambers USA 2021 🏆

We have been ranked in Chambers USA for the 11th consecutive year as a leading privacy and data security law firm. In addition to our firm ranking, Founder and Managing Member Marc Zwillinger is ranked in Band 1 and Kandi Parsons is newly recognized as an Up and Coming lawyer in the privacy and data security space.

Trusted by some of the biggest names in tech.

“I have ZwillGen on speed dial ... Their deep substantive knowledge of our industry and the inner workings of start-ups enable them to offer pragmatic, actionable guidance quickly and at a great value.”

Stephanie King, Former GC, AdRoll

“Whether it’s for a deep analysis of a complicated legal issue or just to bounce ideas off of experienced outside counsel with incredible responsiveness and sound judgement, I recommend ZwillGen.”

Belinda Johnson, Airbnb

“There isn't a single other law firm that projects as much joy as ZwillGen does.”

Kai Lee, Oak Hill Advisors

Our Team

Get direct, practical answers — the kinds of answers that help you make decisions — from a team with years of experience.

Meet our team
  • F. Mario Trujillo

  • Hannah Schaller

  • Kandi Parsons


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.

ZwillGen Holiday Party
ZwillGen Halloween 2018
ZwillGen Lawyers Have Heart

News & Insights 💭

What the EU’s New SCCs Mean for You

Get ready for a wave of contract renegotiations and related compliance activities. The European Commission has published two new sets of standard contractual clauses (SCCs) to address different aspects of the GDPR.

SCOTUS Rules CFAA Does Not Contain Purpose-Based Restrictions

The Supreme Court has ruled that people do not exceed authorized access under the CFAA when they merely access information on a computer for an improper purpose.

Colorado Poised to Enact New Consumer Privacy Law

Colorado may soon join the growing number of U.S. states enacting consumer privacy legislation. If enacted, the law would take effect on July 1, 2023.