This is an English translation for convenience. The German version is legally binding: see Datenschutzerklärung (DE).
Stefan Grasmann
Sonneck 65
63762 Großostheim, Germany
Email: hello@grasmann.io
This website is hosted by Cloudflare, Inc. (Cloudflare Pages). When you visit the site, Cloudflare processes technically necessary server log data (e.g. IP address, date and time of access, page requested, browser type) to deliver the website securely and reliably. The legal basis is Art. 6(1)(f) GDPR (legitimate interest in a secure and functional website). This log data is not merged with other data sources.
This website uses the Newsreader, IBM Plex Mono and Inter typefaces. The font files are self-hosted on this server. There is no connection to Google servers and no data is transmitted to Google.
This website does not use cookies or any analytics or tracking tools. No user behaviour is evaluated.
If you contact us by email, your details (email address, name and message content, if provided) will be stored to process your enquiry. The legal basis is Art. 6(1)(b) GDPR (pre-contractual enquiry) or (f) (legitimate interest in responding). Data is deleted once it is no longer required for processing.
The whitepaper PDFs in the "Whitepapers" section are served directly from this website, without additional tracking. Some other links on this site lead to third-party content (e.g. Sessionize profile, LinkedIn newsletter). Clicking these links takes you away from this website; the respective provider is responsible for data processing there.
You have the right to access, rectify, erase and restrict the processing of your personal data, as well as the right to data portability and to object to processing. Please contact the address above. You also have the right to lodge a complaint with a data protection supervisory authority.
This privacy policy is updated as needed to reflect legal or technical changes. Last updated: July 2026.