SNF Nostos


SNF Nostos App Terms of Use


With this update we wish to inform you about the terms of use and the conditions for collecting and processing personal data that govern the ‘SNF Nostos App’ (hereinafter the 'application').

Please check the content of these Terms of Use regularly, given that we reserve the right to make amendments to them at any time without prior notice to the users.

By accepting the Terms of Use, users declare that they are at least 15 years old and are therefore able to consent to the processing of their personal data under the applicable legislation on personal data. If the application is used by minors under the age of 15, it is assumed that parental consent has been granted, with the SNF bearing no liability for the use of the application by minors under the age of 15 without parental consent.

The application is available for mobile phones and tablets, for Android and iOS operating systems. Access and navigation to the application is free of charge and includes two languages, Greek and English.

The SNF Nostos App Terms of Use are supplemented by and form a whole with any individual SNF policies that are in effect, including the Terms of Use and Privacy Policy of the website


The Controller of your personal data which are collected and processed during the use of the application is the Greek office of the Stavros S. Niarchos Foundation for Charity (hereinafter the “SNF”). Your personal data will also be processed by CVENT Europe Ltd., which is the owner of the application. ‘CVENT Europe Ltd.’ will process your personal data solely for the purpose of fulfilling its obligations arising from its contractual relationship with the SNF and in its capacity as Data Processor.

These Terms of Use govern the operation of the application, the registration and navigation of users in it, and its general use. A prerequisite for registration on and use of the application is the registration at the ‘SNF Nostos Conference’ of the SNF’s annual ‘SNF Nostos 2023’ international festival on Mental Health, which will take place on 21, 22, and 23 June 2023 at the premises of the Stavros Niarchos Foundation Cultural Center (hereinafter the “Conference”). Accordingly, the lawful basis for processing your personal data through the application is your explicit consent for the purposes outlined in Article 3 hereof. The personal data collected and processed through the application are the e-mail address you used when registering for the Conference, your full name, and your mobile phone number.

The application enables you to delete your account – and your personal data at the same time – using the relevant field. After the end of SNF Nostos 2023, your personal data will be processed by the Controller solely for the purpose of informing you via e-mail about the events, activities, and news of the SNF, based on the explicit consent you have granted during your registration at the Conference. Please note that if you have expressly consented to receiving updates, your name and contact details will be retained for an indefinite period of time, until you withdraw your consent and request that updates and processing cease, by clicking on the 'unsubscribe' link found in each of the updates you receive. Regarding your other rights, please be informed by reading the aforementioned Terms of Use and Privacy Policy at To access your personal data, exercise your rights, and for any comments, questions or requests regarding the use of your personal data or this update, you can contact us at the following email address


Your personal data are collected and processed in order for you to gain access to the options offered by the application, including, but not limited to, the following:

  • Information on the Conference and all other activities of the SNF Nostos Festival (e.g. SNF Nostos Run, SNF Dialogues, Release Athens X SNF Nostos Festival). To this end, you will be given the option to be redirected via a link to
  • Information on the Conference’s detailed Programme and the option of selecting individual speeches of interest to users in order to create a personalised agenda.
  • Information on Conference Speakers.
  • Information regarding SNF-related non-profit organisations that directly assist in the implementation of the Conference.
  • Receiving notifications regarding individual SNF Nostos events (e.g. commencement of a speech, invitation to participate in a Q&A session and/or survey).
  • Participation in an open live chat that will take place on the themes of the Conference. Users will be able to send messages and upload photos.
  • Participation in opinion polls to be published during certain speeches of the Conference and monitoring of their results.
  • Participation in surveys on the Conference’s themes.

Application users must make lawful and appropriate use of the application and comply with these Terms of Use. Furthermore, they are obligated to refrain from any unlawful, unfair use – or use that is contrary to business ethics and honest practices – of the content and capabilities of the application.

Any copying or reproduction in any manner, as well as any publication, modification, alteration or use of the photos, videos, images, and logos included in the application in any other manner is strictly prohibited. The infringement of industrial property rights, intellectual property rights, and other third-party rights is prohibited.

Users are strictly prohibited from posting abusive, offensive, racist, obscene, violent, or illegal content in general (comments, photographs, etc.) on the application. Where users violate this obligation, the SNF reserves the right to delete the relevant material immediately, without, however, being obliged to check all of the content. If this behaviour is repeated, the SNF has the right to delete the user account from the application.

Messages are the personal opinions of users and in no way express the views or opinions of the SNF.

In case of violation of these Terms of Use, the SNF reserves the right to exercise all legal rights to defend and safeguard its interests.

Under no circumstances can the SNF be held liable for any potential loss or damage to third parties from the publication of comments through the application.


For any questions regarding these Terms Of Use, please contact the Contact Person: Ms. Lina Giotaki, Telephone No: +30 210 8778300, Address: 86A Vasilissis Sofias Avenue, Athens, P.C. GR-11528.