Kai Westerwelle Photo

Dr. Kai Westerwelle

Partner United States


Kai Westerwelle is recognized as a leading IT and privacy lawyer, with a particular focus on supporting both inbound and outbound business for the US market.

Kai is a partner in our international Commercial Practice Group, based in San Francisco.

As a German Certified Specialist Attorney in Information Technology Law, Kai has more than 25 years experience in the field.  He has specialized in information technology law, particularly outsourcing and cloud computing projects, national and international license agreements as well as comprehensive transactional advice. He has supported a substantial number of national and international restructurings and IoT projects, as well as many M&A transactions and IPOs.  In addition, he focuses on German, European and international data protection law, especially referring to business from and with the USA.

Kai is author of numerous publications mainly in the areas of information technology law, data protection and competition law. He regularly speaks at national and international congresses and lectures data protection and compliance at universities in Germany and the USA. He is an active member of the German Society of Law and Information, the Bitkom e.V. (Germany’s leading association for IT & Telecom companies), the German American Business Association, the International Association of Privacy Professionals and Member of the Board of Advisors of the International Privacy + Security Forum (USA).

Kai speaks German, English and French.

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Lawyer Testimonials
  1. Kai is ranked as one of "The World‘s Leading Patent & Technology Licensing Lawyers"

    IAM 250
  2. “One of the most recommended data protection specialists”

    German Association of Inhouse Counsels
  3. “Client Choice Award for IT-Law in Germany”