Liisa Thomas

Sheppard, Mullin, Richter & Hampton LLP

$ $$$

West Madison Street 70
Chicago 60602 IL US

Liisa M. Thomas, a partner based in the firm’s Chicago and London offices, is Practice Group Leader of the Privacy and Cybersecurity Practice. Her clients rely on her ability to create clarity in a sea of confusing legal requirements and describe her as “extremely responsive, while providing thoughtful legal analysis combined with real world practical advice.”

Liisa is the author of the definitive treatise on data breach, Thomas on Data Breach: A Practical Guide to Handling Worldwide Data Breach Notification, which has been described as “a no-nonsense roadmap for in-house and external practitioners alike.” Liisa, who was born in Finland and has lived in France, Egypt, and Spain, frequently coordinates global efforts in the privacy area for her clients. Clients value her global insights and familiarity with business systems outside of the United States.

With Liisa’s assistance, her clients—which include major consumer brands, advertising agencies, and consumer research companies—are able to navigate thorny data breach disclosure issues, use emerging interactive advertising techniques, and create compliant security programs, all while effectively managing their legal risks. Clients praise Liisa’s ability to add real value to their businesses, and describe her as “keeping [clients] one step ahead of where [they] need to be.”

Liisa is an active advocate of women and minorities in the legal industry and has been honored for her leadership in the legal field by the Illinois Diversity Council. Liisa is currently an adjunct professor in Northwestern University Law School, and has taught privacy courses at several other Chicago-area law schools, including her alma mater, the University of Chicago.

Liisa is the Vice-Chair of the Board of Trustees of the Chicago Symphony Orchestra, is Chair of the CSO’s Negaunee Music Institute Board, and plays violin in the Chicago Bar Association Symphony Orchestra, an orchestra made up of lawyers and judges.


  • J.D., University of Chicago, 1996
  • B.A., Haverford College, 1993


  • Illinois
  • District of Columbia


Rate : $$$$

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West Madison Street 70
Chicago 60602 IL US
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Lina Stillman

Broadway 42
New York 10004 NY US