Privacy Policy

Last updated: June 2026

1. Who We Are

The International Group for the Psychology of Mathematics Education (PME / IGPME) is a Charitable Incorporated Organisation registered in England and Wales.

2. What Personal Data We Collect and Why

2.1 Membership Data

When you join PME, we collect your name, email address, institutional affiliation, and country of residence. Legal basis: Performance of contract (membership agreement). Retention: Duration of membership plus 3 years.

2.2 Conference Registration

Conference registration is handled via ConfTool (conftool.com/pme). Please refer to ConfTool’s own privacy policy for data processed through that system. PME receives confirmation data (name, affiliation, registration status) for organising purposes only. Legal basis: Performance of contract. Retention: 7 years (charitable financial records requirement).

2.3 Newsletter and Mailing List

If you subscribe to the PME newsletter or mailing list, we store your email address in our newsletter system (listmonk, self-hosted in the United Kingdom). Legal basis: Consent (explicit opt-in). You can unsubscribe at any time via the link in every email. Retention: Until you unsubscribe.

2.4 Website Contact Forms

Messages sent via the Contact page are forwarded to the Administrative Manager at info@igpme.org. We do not store form submissions in the database beyond what appears in email. Legal basis: Legitimate interests (responding to enquiries). Retention: Up to 2 years in email.

2.5 Website Server Logs

Our server (hosted in Manchester, United Kingdom) automatically records standard web server logs including IP address, browser type, referring URL, and pages visited. This data is used solely for security and technical maintenance. Legal basis: Legitimate interests. Retention: 30 days.

2.6 Board and Staff Collaboration (Nextcloud)

Elected Board of Trustees members and PME staff use our self-hosted Nextcloud instance (hosted in the United Kingdom) for document collaboration. Data processed: name, email, uploaded documents. Legal basis: Legitimate interests / contractual necessity. Retention: Duration of role plus 1 year.

3. Sharing of Personal Data

We do not sell or share your personal data with third parties for commercial purposes. Data may be shared with:

• ConfTool — for conference management (their own privacy policy applies)
• Hostinger (UK) — our hosting provider, acting as a data processor; infrastructure access only
• UK authorities — if required by law, court order, or the Charity Commission

4. International Data Transfers

All PME data is stored and processed in the United Kingdom. ConfTool operates from Germany (EU adequacy status). We do not transfer your data to countries without adequate data protection standards.

5. Your Rights Under UK GDPR

Under UK data protection law you have the right to: access your personal data; rectify inaccurate data; erase your data where no legal obligation requires retention; restrict processing; receive your data in portable format; object to processing based on legitimate interests; and withdraw consent at any time (for newsletter: use the unsubscribe link in any email).

To exercise any of these rights, email info@igpme.org. We will respond within one calendar month.

6. Cookies

Please see our separate Cookie Policy.

7. Complaints

If you are not satisfied with how we handle your personal data, you have the right to lodge a complaint with the UK supervisory authority:

Information Commissioner’s Office (ICO)
Wycliffe House, Water Lane, Wilmslow, Cheshire SK9 5AF
Tel: 0303 123 1113  ·  ico.org.uk

8. Changes to This Policy

We may update this policy periodically. Material changes will be notified by email to members and posted on this page. The date at the top indicates when the policy was last revised.