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Controller
Stefan Joschko - van AckernSchloßstraße 348
45359 Essen, Germany
Email: stefan.joschko@pm.me
Hosting
This website is hosted by Vercel Inc., 440 N Barranca Avenue #4133, Covina, CA 91723, USA. When you access the website, Vercel processes technical connection data such as your IP address, request details, browser and device information, timestamps, and diagnostic data.
Processing is necessary to deliver and secure the website and is based on Art. 6(1)(f) GDPR. The legitimate interest is the secure, reliable operation of this website. Technical data is retained only for as long as required for these purposes and according to the applicable Vercel retention settings.
Data may be processed in the United States. Vercel states that it relies on the EU-U.S. Data Privacy Framework and, where applicable, the European Commission's Standard Contractual Clauses. See the Vercel privacy notice.
Contact by email or phone
If you contact me, I process the information you provide to respond to your request. The legal basis is Art. 6(1)(b) GDPR for enquiries related to a possible or existing contract and otherwise Art. 6(1)(f) GDPR. The legitimate interest is responding to your enquiry. Messages are deleted when the matter has been resolved, unless legal retention obligations require longer storage.
Your rights
Subject to the statutory requirements, you have rights to access, rectification, erasure, restriction of processing, data portability, and objection. You may also lodge a complaint with a data protection supervisory authority. The competent authority in North Rhine-Westphalia is the State Commissioner for Data Protection and Freedom of Information North Rhine-Westphalia.
Last updated: June 10, 2026