Privacy Policy
Last updated: March 1, 2026
1. Who We Are
This website is operated by Marco Haerter ("we", "us", "our"). We are committed to protecting your personal data and respecting your privacy in accordance with the EU General Data Protection Regulation (GDPR) and applicable German data protection law.
Contact:
Marco Haerter
Email: hello@marcohaerter.com
2. What Data We Collect
We collect personal data only when you voluntarily provide it through our website:
- Email address — when you subscribe to our newsletter, join the book waitlist, or complete an assessment
- Assessment responses — your answers to questionnaire questions (no personally identifiable information beyond email)
- Technical metadata — browser type and referring URL, collected automatically when submitting forms
We do not use cookies for tracking. We do not collect data beyond what is listed above.
3. Why We Collect Your Data
We process your personal data for the following purposes:
- Newsletter & book waitlist: To send you updates, articles, and launch notifications you subscribed to (Art. 6(1)(a) GDPR — consent)
- Assessment results: To deliver personalized results and recommendations based on your responses (Art. 6(1)(a) GDPR — consent)
- Service improvement: To understand how our assessments and content perform in aggregate, using anonymized data (Art. 6(1)(f) GDPR — legitimate interest)
4. How We Store Your Data
Your data is stored securely on servers located in the European Union. Assessment responses are stored in a PostgreSQL database with encrypted connections. Email addresses for newsletters and waitlists are managed through our email service provider.
We retain your data only for as long as necessary to fulfill the purposes described above, or until you withdraw your consent.
5. Who We Share Your Data With
We do not sell, trade, or rent your personal data. Your data may be shared with:
- Brevo (Sendinblue GmbH) — our email service provider, for sending the newsletter, book updates, and confirmation/welcome emails; based in the EU, with a data processing agreement (DPA) in place
- Hosting provider — for infrastructure (servers located in the EU)
We do not transfer data outside the European Economic Area (EEA).
6. Your Rights
Under the GDPR, you have the right to:
- Access — request a copy of your personal data
- Rectification — correct inaccurate data
- Erasure — request deletion of your data ("right to be forgotten")
- Restrict processing — limit how we use your data
- Data portability — receive your data in a machine-readable format
- Withdraw consent — at any time, without affecting the lawfulness of prior processing
- Lodge a complaint — with a supervisory authority
To exercise any of these rights, contact us at hello@marcohaerter.com. We will respond within 30 days.
7. Newsletter & Email Communications
When you subscribe to our newsletter or join a waitlist, you consent to receive email communications from us. Every email includes an unsubscribe link. You can withdraw your consent at any time by clicking "unsubscribe" or contacting us directly.
8. Assessment Data
When you complete an assessment, your answers and calculated score are stored to provide your results. If you provide your email, it is linked to your response so we can send you a detailed report. If you skip the email step, your response is stored anonymously.
You can request deletion of your assessment data at any time by contacting us with the email address you used.
9. Changes to This Policy
We may update this privacy policy from time to time. Changes will be posted on this page with an updated date. We encourage you to review this page periodically.
10. Contact
If you have questions about this privacy policy or your data, contact us at:
hello@marcohaerter.com