Privacy Policy

Last updated: [4th January, 2026]

This Privacy Policy explains how Leszek Lisowski ("we", "us", "our") collects and uses personal data when you visit https://leszeklisowski.com and subdomains (the "Site") or subscribe to receive emails from us.

1) Who is the controller

The controller of your personal data is:

Leszek Lisowski
Email: contact[at]leszeklisowski.com

2) What data we collect

Depending on how you interact with the Site, we may process:

  • Email address (when you subscribe)

  • Subscription metadata (e.g., date/time of signup, source/landing page, and basic technical information provided by our email service)

  • Email engagement data (e.g., whether an email was delivered/opened/clicked; if you disable images or tracking, some of this may not be available)

  • Technical data from your device/browser when you visit the Site (e.g., IP address, device type, basic logs) as required for security and to serve the Site

We do not intentionally collect sensitive personal data.

3) Why we use your data (purposes)

We use your data for the following purposes:

  1. Email updates ("Gamedev Workbook News")

    • to send you launch/availability updates about the workbook, and occasional updates about new editions and future books

  2. Site operation and security

    • to operate the Site, prevent abuse, and troubleshoot technical issues

  3. Compliance

    • to meet legal obligations where applicable (e.g., handling privacy requests)

4) Legal basis (GDPR)

Where the GDPR applies, we process your personal data on the following legal bases:

  • Consent (Article 6(1)(a)) for sending email updates when you voluntarily subscribe

  • Legitimate interests (Article 6(1)(f)) for operating, securing, and improving the Site (e.g., preventing fraud/abuse)

  • Legal obligation (Article 6(1)(c)) where required to comply with applicable laws

You can withdraw your consent at any time by using the unsubscribe link in any email.

5) How long we keep your data

  • We keep your email address and subscription data until you unsubscribe.

  • We may retain limited records as necessary for security, compliance, and suppression lists (e.g., to ensure we respect your unsubscribe request).

6) Email communications and unsubscribe

If you subscribe, you will receive emails about the workbook (launch/availability) and occasional updates about new editions and future workbooks.

You can unsubscribe at any time using the unsubscribe link included in every email.

7) Service providers (processors)

We use trusted service providers to operate the Site and send emails. In particular:

  • MailerLite – email delivery and subscriber management

These providers process personal data on our behalf under appropriate contractual arrangements.

8) International transfers

Some of our service providers may process data outside the European Economic Area (EEA). Where applicable, we rely on appropriate safeguards for such transfers (for example, standard contractual clauses or other lawful transfer mechanisms provided by the service provider).

9) Your rights

Depending on your location and applicable law, you may have the right to:

  • access your personal data

  • correct inaccurate data

  • delete your data

  • restrict or object to processing

  • receive a copy of your data (data portability)

  • withdraw consent at any time (for email communications)

To exercise your rights, contact us at contact[at]leszeklisowski.com

If you are in the EEA/UK, you also have the right to lodge a complaint with your local supervisory authority.

10) Cookies and similar technologies

The Site may use essential cookies or similar technologies needed for basic functionality and security.

If we use optional analytics or marketing cookies in the future, we will update this policy and, where required, provide appropriate choices.

11) Links to third parties (e.g., Amazon or other stores)

The Site may link to third-party websites (such as Amazon). We are not responsible for their privacy practices. Please review their privacy policies when you leave our Site.

12) Changes to this policy

We may update this Privacy Policy from time to time. The "Last updated" date at the top indicates when changes were made.

13) Contact

For privacy questions or requests, contact:

Email: contact[at]leszeklisowski.com