Chambers & Partners has detected the use of an ad blocker.
We make use of tailor-made ads to enhance your experience of our website.
Please 'whitelist'
USA Guide
Individual Profile

Mary Ellen Callahan

No profile photo
  • Los Angeles, California, USA

Profile submitted by Mary Ellen Callahan


Chair of Jenner & Block’s Privacy and Information Governance Practice, Mary Ellen Callahan is a recognized privacy lawyer with almost two decades of outside counsel experience. Drawing from her experience as chief privacy officer of the US Department of Homeland Security, she advises clients on privacy- and cybersecurity-related matters, such as establishing privacy compliance programs; addressing data governance issues, including use of customer and advertising data; and counseling on mobile privacy requirements and protocols associated with data breaches. In 2015, she was named a Cybersecurity & Privacy Trailblazer and a Regulatory and Compliance Trailblazer by The National Law Journal.