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Provided by Liisa Thomas
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 leader of the firms cybersecurity team 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 is a very talented lawyer who brings a very clear understanding and straightforward explanations to complex data privacy topics.
Liisa has quickly endeared herself to our entire corporation with her expertise, practical advice, wit and kindness. We absolutely love Liisa.
Liisa is fantastic.
Liisa is absolutely golden.
Working with Liisa has been first-rate. We often help clients in the darkest moments and Liisa's ability to think and get through the complexities is first-rate.
Liisa is a very talented lawyer who brings a very clear understanding and straightforward explanations to complex data privacy topics.
Liisa has quickly endeared herself to our entire corporation with her expertise, practical advice, wit and kindness. We absolutely love Liisa.
Liisa is fantastic.
Liisa is absolutely golden.
Working with Liisa has been first-rate. We often help clients in the darkest moments and Liisa's ability to think and get through the complexities is first-rate.