1. Controller
Controller within the meaning of the General Data Protection Regulation (GDPR / DSGVO):
Roman Braun
Deistermind – Business Consulting
Am Brabrinke 14
30519 Hannover
Germany
Phone: +49 1575 6648867
Email: info@deistermind.de
2. Hosting
This website is hosted by an external service provider (hosting provider). Personal data collected on this website may be stored on the hosting provider’s servers. This may include, in particular, IP addresses, metadata and communications data, website access logs, and other data generated through a website.
The hosting provider is used for contract fulfillment with our prospective and existing customers (Art. 6(1)(b) GDPR / DSGVO) and in the interest of providing our online offering securely, quickly, and efficiently through a professional provider (Art. 6(1)(f) GDPR / DSGVO).
3. Access data and server log files
The hosting provider automatically collects and stores information in so-called server log files, which your browser transmits automatically. This includes, in particular:
- Browser type and version
- Operating system used
- Referrer URL
- Host name of the accessing device
- Time of the server request
- IP address
This data is not merged with other data sources. The collection is based on Art. 6(1)(f) GDPR / DSGVO. The website operator has a legitimate interest in the technically error-free presentation and optimization of the website.
4. Contacting us
If you contact us by email, phone, or other communication channels, your details (including the contact data you provide) will be stored for the purpose of processing your inquiry and in case of follow-up questions.
Processing is based on Art. 6(1)(b) GDPR / DSGVO if your inquiry is related to contract performance or required for pre-contractual measures. In all other cases, processing is based on Art. 6(1)(f) GDPR / DSGVO (legitimate interest in effectively handling inquiries addressed to us).
5. Communication via WhatsApp
WhatsApp may be used for communication. The provider is WhatsApp Ireland Limited, 4 Grand Canal Square, Grand Canal Harbour, Dublin 2, Ireland.
When communicating via WhatsApp, personal data may be transmitted to WhatsApp. Please note that WhatsApp may have access to communication metadata. For more information, please refer to WhatsApp’s privacy policy.
Please note that data processing may also take place in third countries outside the EU/EEA. Where required, appropriate safeguards apply.
6. Scheduling via Calendly
For appointment scheduling, we may use Calendly. The provider is Calendly LLC (USA). When you book an appointment via Calendly, the data you enter (e.g., name, email address, requested time) is processed to handle the scheduling.
Legal basis is Art. 6(1)(b) GDPR / DSGVO (pre-contractual measures / contract performance) as well as Art. 6(1)(f) GDPR / DSGVO (efficient appointment organization). Further information can be found in Calendly’s privacy policy.
6a. Transfers to third countries (e.g., USA)
Some service providers (e.g., Calendly) may process data in countries outside the European Union/EEA (in particular the United States). Where applicable, such transfers are based on an adequacy decision (e.g., the EU-U.S. Data Privacy Framework) and/or additional safeguards.
7. Social media links (LinkedIn, Instagram)
This website contains links to external social networks (e.g., LinkedIn, Instagram). Clicking such a link will take you directly to the respective platform. We have no influence on how these providers process data. Please review the privacy notices of the respective providers.
8. Cookies / tracking
This website currently does not use analytics or advertising tracking tools (e.g., Google Analytics, Meta Pixel). Technical data (e.g., server log files) may still be processed independently (see section 3).
9. Your rights
You have the right, within the framework of applicable law, to:
- Access your stored personal data
- Rectify inaccurate data
- Erase your data
- Restrict processing
- Data portability
- Object to processing
You also have the right to lodge a complaint with a data protection supervisory authority regarding the processing of your personal data.
10. Retention period
Personal data will remain with us until the purpose for data processing no longer applies. Statutory retention obligations remain unaffected.
11. Status
Last updated: March 2026