Privacy policy
Last updated: October 2026
Data controller
Personal data collected on this site is processed by Ypsylone (a French SAS, 68 quai de Jemmapes, 75010 Paris, RCS Paris 818 619 744), represented by Marie Beauchesne, President. Contact: m@mariebeauchesne.com.
Contact form
Data: name, company, email, phone (optional), topic and message.
Purpose: to reply to your request and, where relevant, prepare a proposal.
Legal basis: pre-contractual steps taken at your request and legitimate interest in answering professional enquiries.
Retention: as long as needed to handle your request, then no more than three years after the last exchange.
Self-marketing action plan test
Data: first name, email address and answers to the test.
Purpose: to calculate your profile and send you your results and action plan.
Newsletter: by receiving your results you also receive the Next Chapter newsletter. Every email contains an unsubscribe link.
Legal basis: performance of your request for results; legitimate interest for sending the newsletter, with a right to object at any time.
Retention: until you unsubscribe, then no more than three years.
Newsletter
The newsletter is published on Substack. Addresses collected through the test are added manually by Marie Beauchesne to the subscriber list. If you subscribe from Substack, your data is processed by Substack under its privacy policy. You can unsubscribe at any time from any email.
Recipients and hosting
Your data is accessible to Marie Beauchesne and, for hosting and transmission, to technical providers: Netlify (site hosting and form handling), Google Workspace (email), Brevo (sending the test results email, a French company), Substack (newsletter) and, for the networking-style test, Tally. Some of these providers are located outside the European Union, notably in the United States: transfers are covered by the safeguards provided for by the GDPR. Your data is never sold or shared for marketing purposes.
Cookies and trackers
This site sets no analytics or advertising cookies, and fonts are served from the site itself. Links to third-party services (Substack, Tally, LinkedIn, YouTube) take you to sites with their own cookie policies.
Your rights
You have the right to access, rectify, erase, object to, restrict and port your data, and to withdraw your consent at any time. To exercise them, write to m@mariebeauchesne.com. You may also lodge a complaint with the CNIL (www.cnil.fr) or your local data protection authority.