Vassi Iliadis

Vassi Iliadis

Partner Litigation, Arbitration, and Employment

Los Angeles,

San Francisco,

Silicon Valley

+1 310 785 4640
Los Angeles

vassi.iliadis@hoganlovells.com

Vassi Iliadis

Overview
Experience
Credentials
Insights and events

Vassi Iliadis is a go-to litigator for complex disputes at the intersection of data, privacy, cybersecurity, and emerging technology. She represents global leaders in tech, media, healthcare, and consumer products, defending against high-stakes multidistrict litigations, class actions, mass arbitrations, and regulatory investigations.

A dynamic and pragmatic advocate, Vassi has steered clients through some of the most prominent data breach and internet privacy disputes in recent years—including novel challenges involving artificial intelligence, web tracking technologies, and platform liability. She has secured victories and favorable resolutions for her clients.

Vassi also regularly advises companies on litigation avoidance and preparedness practices, helping them navigate risk landscapes with clarity and foresight. Her experience includes counseling on the attorney-client privilege and work product protections in incident response and internal investigations, consumer-facing arbitration provisions, state laws restricting social media use for children, artificial intelligence, and digital advertising technologies.

Representative experience

Representing Change Healthcare, Optum, and UHG in MDL (50+ suits) related to Change Healthcare’s 2024 data incident.

Secured merits victories on behalf of major entertainment and media company in multiple arbitration matters alleging violations of the Video Privacy Protection Act (VPPA).

Obtained early dismissal with prejudice of class action suit alleging violations of the VPPA on behalf of major sports organization.

Co-lead counsel on behalf of technology company in mass arbitrations alleging violations of the California Invasion of Privacy Act (CIPA).

Represented major GPU and chip manufacturer in class action alleging unfair practices arising out of purported training of LLM using consumer content.

Representing AI chatbot service in privacy-related regulatory investigation.

Co-lead counsel on behalf of social media company in numerous privacy-related regulatory investigations.

Achieving wins on behalf of household names including Disney, ESPN, Intuit, Mailchimp, ClassPass, and IBM in privacy and cybersecurity-related class actions.

Lead counsel in the Uber Data Breach MDL, successfully winning early motions to dismiss and motions to compel arbitration of every one of the MDL's underlying complaints.