Mr David Rosenthal > VISCHER > Zurich, Switzerland > Lawyer Profile

8021 Zurich

Work Department

Data & Privacy, Information and Communication Technology, Intellectual Property, Investigations & eDiscovery




David Rosenthal is one of the leading Swiss experts in the field of Data and Technology law. His background is atypical: he graduated in law at the University of Basel in 1997 and worked as a software developer, legal advisor and journalist before joining one of Switzerland’s top law firms, where he built up and managed the data protection department, among other things. David Rosenthal is the principal author of one of the leading commentaries on data protection law. In addition to data law (including GDPR) he advises projects in the IT and digital business sector and represents clients in technology-related arbitration proceedings.

His clients include major international corporations as well as Swiss SMEs, start-ups and public authorities; he is regarded as pragmatic, efficient and solution-oriented. Rosenthal also has some 15 years of experience in conducting internal investigations and e-Discovery projects. He is Secretary of the Association for Corporate Data Protection (VUD) and the Cross-border eDiscovery Privacy & Investigations Association (CeDIV), as well as lecturer at the ETH Zurich and the University of Basel.


German, English


University of Basel, Law School, Lecturer on information technology since 1999

 Federal Institute of Technology Zurich (ETH Zurich), Lecturer on information technology since 2006

 CeDIV, the Cross-border eDiscovery Privacy & Investigations Association, Secretary since 2015

 VUD, Verein Unternehmens-Datenschutz , Secretary since 2012

 ICT Division of the Federal Critical Supply Agency, member of the Management Committee from 2001-2014

 Federal Appeals Commission for Telecommunications, Member from 1998-1999


University of Basel, Switzerland, 1997 Lic. iur.,

Lawyer Rankings

Switzerland > Fintech

VISCHER acts for a broad range of clients including domestic start-ups and multinational corporations, and has notable expertise in matters related to crowdfunding. The team has a strong relationship with governmental institutions, and members are regularly consulted in legislative decisions. Jana Essebier leads the team, bringing broad experience across blockchain matters, mobile payments, and complex financial instruments. Stefan Grieder is a notable expert on the tokenisation of funds, while Christian Wyss handles insurtech and financing rounds for venture capital. David Rosenthal advises on data privacy and protection elements.

Switzerland > Data privacy and data protection

(Leading individuals)

David Rosenthal –VISCHER

The data and privacy team at VISCHER has a strong track record handling all aspects of data privacy and data protection law, frequently advising private companies, public institutions, and international organisations. An ‘opinion leader in the field of data privacy,’ practice head David Rosenthal‘s expertise includes information technology, data protection, and e-discovery. Other individuals of note include TMT expert Rolf Auf der Maur, as well as Christian Wyss, who focuses on data protection issues in the life sciences industry.

Switzerland > TMT

(Leading individuals)

David RosenthalVISCHER

The TMT practice at VISCHER features prominent tech companies, public bodies and financial institutions among its clients, which the firm advises on transactional, contentious and non-contentious matters. Cloud migration projects, where the team has recently advised the Canton of Zurich on its move to the Microsoft cloud, and new media solutions are among the key areas of expertise for the team led by media, telecoms and IT expert Rolf Auf der Maur and data privacy specialist David Rosenthal. Transactions in the context of IP and IT are regularly handled by Christian Wyss.

Switzerland > Leading firms: German-speaking Switzerland

The practice at VISCHER is headed by Christian Oetiker and Markus Guggenbühl and includes experts in ‘all relevant areas of the law‘. The team has particular strength in M&A matters as well as corporate and dispute resolution and can provide advice in specialised areas including life sciences, healthcare, energy, public law, and aviation. Rolf Auf der Maur is an expert in IT, Stefan Kohler is a key name for IP and technology and David Rosenthal is recognised for his prominence in data. Michael Waldner, Klaus Neff, Benedict Christ, Stefan Rechsteiner and Christian Wyss are other core team members.