About
Ann-Sophie is a Principal Associate in our Dispute Resolution Group in Frankfurt. She advises national and international clients on complex civil and commercial disputes, both in and out of court. Her special focus is on mass claims, especially in the tech and data protection sphere.
Ann-Sophie has gained extensive international experience, including a six-month secondment to Freshfields’ London office and an eight-month secondment to the EMEA disputes team of a leading payment service provider, where she deepened her in-house perspective on dispute management.
She is a native German speaker and fluent in English.
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Additional Information
- Advising a tech client on various aspects of its mass claim defence against large scale GDPR and Social Media-related claims
- Advising a tech client in response to defence against various user claims
- Advising a payment services provider relating to various claims of diverse legal basis

Dr. Ann-Sophie Tietz
Principal Associate
Frankfurt am Main Office
Große Gallusstraße 14
Frankfurt am Main 60315