We take the protection of your personal data seriously. This Privacy Policy explains the nature, scope, and purpose of the processing of personal data on mallmanndatascience.de.

1. Controller

Luitwin Mallmann
Textorstraße 84
60596 Frankfurt am Main
Germany
Email: luitwin.mallmann@outlook.com

2. Personal Data We Process

When you visit this website or use its services, the following data may be processed:

• IP address
• Browser and device information
• Date and time of access
• Contact details submitted via forms or scheduling tools
• Cookie and usage data (only with consent)

3. Purpose and Legal Basis

We process data for the following purposes:

• Ensuring technical stability and security of the website
• Providing contact and scheduling functionality
• Statistical analysis and improvement of the website (only with consent)

Legal bases in accordance with Art. 6 GDPR:

• Art. 6(1)(a) – Consent
• Art. 6(1)(f) – Legitimate interest

4. Calendly

This website uses Calendly, a scheduling service by Calendly LLC, USA. When you book an appointment, personal data such as your name, email address, and meeting details are processed.

Data may be transferred to the USA. Calendly uses EU Standard Contractual Clauses to ensure an adequate level of protection.

Calendly Privacy Policy:
https://calendly.com/pages/privacy

5. Google Services

If Google services (e.g. Google Analytics, Tag Manager) are used, they are only activated after explicit user consent.

6. Cookies

Essential cookies are required for basic functionality. Analytics or third-party cookies are set only with consent.

7. Data Retention

Personal data is stored only as long as necessary for the purposes stated or as required by law.

8. Your Rights

• Access (Art. 15)
• Rectification (Art. 16)
• Erasure (Art. 17)
• Restriction of processing (Art. 18)
• Data portability (Art. 20)
• Withdraw consent (Art. 7(3))
• Complaint to a supervisory authority (Art. 77)

9. Changes to This Policy

This Privacy Policy may be updated to reflect legal or technical changes.

Last updated: January 2026