Privacy & Data Security: Privacy
USA - Nationwide
3 years ranked
Provided by Sheppard, Mullin, Richter & Hampton LLP
Liisa Thomas is a recognized authority in privacy and cybersecurity law, serving as a go-to advisor for in-house counsel and C-suite executives at Fortune 500, multinational and global companies. Based in Chicago and London, she brings a practical, business-focused and cross-cultural approach to advising clients on privacy, cybersecurity, digital advertising and compliance law. She is co-leader of the Privacy and Cybersecurity team.
Liisa is known for translating complex legal requirements—such as GDPR, CCPA, BIPA, TCPA and cross-border data transfer issues—into actionable strategies that protect enterprise value and manage risk.
Having lived in the Middle East, Europe and the U.S. and with an advanced degree in organizational change, Liisa is highly skilled in both translating business needs and cultures across borders and coordinating efforts across continents to protect data, assure compliance with all applicable regulations and advance business goals.
Co-Chair, National Association of Women Lawyers
2025 Cybersecurity & Privacy Editorial Advisory Board, Law360
Training Advisory Board, International Association of Privacy Professionals (IAPP)
Member of the Board of Trustees, Chicago Symphony Orchestra (CSO)
Board member, FGLI (First-Generation, Lower-Income) Consortium
Subcommittee Chair, INTA Building Bridges Committee, International Trademark Association
Member, International Association of Privacy Professionals
Member, Women’s Foodservice Forum
Adjunct Professor, Northwestern University School of Law
Member, Leading Lawyers Network
Violinist, Chicago Bar Association Symphony Orchestra
Provided by Chambers
Liisa Thomas is co-leader of the firms privacy and cybersecurity practice group and fulfills a general advisory role. She is often seen advocating for her clients in contentious data breaches across a plethora of industries, including consumer brands, advertising agencies and education institutions.
Provided by Chambers
Liisa has vast knowledge and expertise.
Chambers is the leading data and intelligence partner for the legal sector.