Social Development of Secure and Privacy-enhancing Technologies
Tuesday 15 September 2026
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About the workshop
About the workshop
The workshop brought together researchers from Japan and Europe to discuss secure and appropriate approaches to personal data and digital identity amid widespread AI adoption.
The workshop examined how privacy-enhancing technologies can be designed and operated within legal and institutional frameworks, connecting technical design with human-centred considerations and future collaboration.
Workshop programme
Workshop programme
Workshop brochure
Workshop brochure
Workshop Speakers
Workshop Speakers
Frank Pallas
Frank Pallas
University of Salzburg
Talk: Privacy Engineering: From Principles and Technologies to Real-World Systems Integration and Trade-Offs
Biography: Frank Pallas is Professor of Privacy Engineering and Policy-Aligned Systems at the University of Salzburg, combining technical and legal perspectives on privacy and policy-aligned technologies.
Jaap-Henk Hoepman
Jaap-Henk Hoepman
Radboud University
Talk: Friction by Design (as a means to increase privacy and counter mass surveillance)
Biography: Jaap-Henk Hoepman is an Associate Professor at Radboud University whose research covers privacy by design, privacy-friendly protocols and identity management.
Laura Drechsler
Laura Drechsler
KU Leuven
Talk: “What’s my age again?” Unpacking the Risk-Based Approach to Age Assurance in the GDPR
Biography: Laura Drechsler is an Assistant Professor of Data Law at KU Leuven, researching European data protection and data law from a human-rights perspective.
Kazue Sako
Kazue Sako
Waseda University
Talk: A Design for Future Digital Identity Infrastructure in Japan
Biography: Kazue Sako has been a Professor at Waseda University since April 2020; previously, she studied secure cryptographic protocols at NEC Central Research Laboratories.
Yuriko Zemba
Yuriko Zemba
Waseda University
Talk: User Responses to Privacy-Enhancing Technologies: A Five-Country Study of Selective Disclosure
Biography: Yuriko Zemba is a Professor at Waseda University whose social psychology research examines cultural differences and how people judge organizational responsibility.
Nicolò Romandini
Nicolò Romandini
University of Bologna
Talk: Trace, Account, Forget: Advancing Trustworthiness in Decentralized Machine Learning Systems
Biography: Nicolò Romandini is a researcher in the University of Bologna’s Department of Computer Science and Engineering, working on federated learning, blockchain and cybersecurity.
Meiko Jensen
Meiko Jensen
Karlstad University
Talk: Data Subject Rights Engineering for Machine Learning Models: How to Manage your Digital Identity in the AI Era
Biography: Meiko Jensen is a cybersecurity researcher at Karlstad University whose work spans privacy engineering, cloud security and data protection by design.
About the organiser
About the organiser
Kazue Sako
Kazue Sako
Professor, School of Computer Science and Engineering, Waseda University
Professor, School of Computer Science and Engineering, Waseda University
After receiving her B.S. in mathematics from Kyoto University, she joined NEC Central Research Labs where she engaged in studying secure cryptographic protocols.
Since April 2020, She is a Professor at the Department of Information Science and Engineering, School of Fundamental Science and Engineering, at Waseda University.
Sako Laboratory
Sako Laboratory
At Waseda’s School of Fundamental Science and Engineering, Sako Lab studies cryptographic protocols and services designed around security and privacy. Its work includes digital identity, privacy-enhancing technologies and distributed systems.
Waseda University Brussels Office
Waseda University Brussels Office
Based at Université libre de Bruxelles since 2016, the Brussels Office connects Waseda University with European institutions and supports joint research and researcher exchange.
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