A consultancy at the intersection of privacy, compliance, and technology.


We develop highly scalable, state-of-the-art privacy compliance technology which makes it easy to discover improper data transfers anywhere on the web.

We investigate data transfers on the web, mobile devices, IoT, and more.

We provide court admissible evidence and expert testimony in privacy litigation.

We advise companies and litigants on the toughest problems in privacy engineering.

webXray's mission is to accelerate the transition to a privacy-centric online environment.

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Who we are

Timothy Libert

Timothy Libert


We are led by Dr. Timothy Libert, who founded webXray after leading Google's internal cookie policy and compliance engineering efforts.

Before Google, Dr. Libert was a faculty member at Carnegie Mellon University's School of Computer Science, a researcher at the University of Oxford, and he received his PhD from the University of Pennsylvania.

Dr. Libert's experience in both academia and industry gives him unique insights into the use of personal data by technology companies, allowing him to offer precise guidance on issues such as data collection, evidence preservation, and document discovery.

Dr. Libert has published numerous peer-reviewed academic research papers on web tracking in venues such as the Journal of the American Medical Association, the Communications of the Association for Computing Machinery, as well as high-profile computer science conferences. He has written op-eds in The New York Times, The Guardian, and STAT.

Dana Liebermann

Dana Liebermann

Director of Operations

Ms. Liebermann is webXray’s Director of Operations. Dana has extensive experience in the technology and education sectors having worked as a Web Developer and Systems Administrator at The University of Oxford, The University of the Arts, and the Jewish Theological Seminary. She holds degrees from New York University and the Parsons School of Design.