Participants Privacy Policy

TANDEMZ, a simplified joint stock company with a capital of €2,400, whose head office is located at 27 rue du Chemin Vert - 75011 PARIS, registered with the Paris Trade and Companies Registry under number 881 896 187, represented by its President, Mrs. Marine WOLFFHUGEL (hereafter "TANDEMZ") is concerned about the protection of Personal Data and undertakes to protect them in accordance with the applicable regulations and in particular with the EU Regulation no. 2016/679 of April 27, 2016 called "Règlement Général sur la Protection des Données" or "RGPD", and the Law no. 78-17 of January 6, 1978 as amended, called "Loi Informatique et Liberté".

When it collects the Personal Data of the Participants, TANDEMZ carries out processing operations for which it is qualified as "data controller", in the sense of the above-mentioned texts.

The Participants are also hereinafter referred to as the "Concerned Persons" within the meaning of the applicable Personal Data Protection Regulations.

TANDEMZ undertakes to comply at all times with the requirements of the applicable Personal Data Protection Regulations and to process Personal Data only under the conditions set out below.


In this Privacy Policy, capitalized terms identified below shall have the following meanings, whether used in the singular or plural:

2.Purposes of the processing of Personal Data

TANDEMZ processes the Participant's Personal Data for the following purposes:

3.Personal data processed

As data controller, TANDEMZ processes the following Personal Data:

Participant Data collected during registration on the Panel Platform:

Participant Data collected when browsing the Platform:

Participant Data that may be collected when requesting participation in a Session, depending on the specific needs of each Session:

The compulsory or optional nature of the data entry is specified at the time of collection by an asterisk next to the data to be filled in in a compulsory manner. TANDEMZ requires the mandatory disclosure of certain personal data in order to implement the above mentioned purposes. The optional data allow TANDEMZ to get to know the Participant better and to offer the Participant Sessions adapted to his/her profile.

If the application questionnaire for a Session contains questions asking for sensitive Personal Data, additional express consent will be requested from the Participant to process such Personal Data. Sensitive Data is, pursuant to the applicable Personal Data Protection Regulations, information that reveals the alleged racial or ethnic origin, political opinions, religious or philosophical beliefs or trade union membership, data concerning health, data concerning the sexual life or sexual orientation of a natural person.

4. Storage period of Personal Data

The Participant's Personal Data collected for the purposes of registering for the panel as well as to offer the Participant Sessions adapted to his/her profile are kept for a maximum of 2 years after the last participation. At the end of this retention period, TANDEMZ will send an informative email to the Participant informing him/her of the upcoming deletion of his/her Personal Data. Beyond that, the Personal Data are archived by TANDEMZ, in a secure environment, for the legal period of limitation for the purpose of evidence for the establishment, exercise or defense of a right in court.

The Participant's Personal Data collected in the context of the Participant's participation in Sessions are kept for the duration of the Session. Beyond that, Personal Data are anonymized for scientific research and statistical purposes (art. 89, paragraphs 1 and 2 of the General Regulations on Data Protection of April 27, 2016), the anonymization of such data no longer allowing the identification of the persons concerned.

5.Recipients of Personal Data

The Personal Data of the Participant is strictly confidential and is intended exclusively for TANDEMZ and the client organizing the Session(s) in which the Participant participates. In the context of a Session, TANDEMZ will transmit to the client involved in the Session:

If the Client agrees to meet the Participant, the following data will then be transmitted:

Unless it is legally or judicially obliged to do so, TANDEMZ will never disclose, transfer, rent or transmit Personal Data that are processed on the Platform to third parties other than its clients and the following technical service providers:

These service providers act as subcontractors of TANDEMZ in the sense of the applicable regulations for the protection of Personal Data, on the instructions of TANDEMZ and in accordance with the contractual conditions signed with TANDEMZ respecting the applicable regulations for the protection of Personal Data.

6. Security measures implemented

TANDEMZ undertakes to ensure the security and integrity of the Personal Data processed on the Platform. To this end, TANDEMZ implements and maintains technical and organizational security measures for the Platform and, more generally, for its information system, adapted to the nature of the Personal Data processed and the risks presented by their processing. These measures aim to (i) protect Personal Data against destruction, loss, alteration, and disclosure to unauthorized third parties, (ii) ensure the restoration of the availability of Personal Data and access to it within appropriate time limits in the event of a physical or technical incident.

7. Transfers of Personal Data outside the European Union

The Participant acknowledges having been informed that the Personal Data concerning him/her are hosted on the servers of the company Amazon Web Services Inc located in the United Kingdom.

The Participant acknowledges having been informed and accepts that the Personal Data concerning him/her may be communicated to subcontractors whose services are hosted in countries outside the European Union. TANDEMZ's subcontractors guarantee that such transfers are carried out under appropriate and adequate security and confidentiality conditions that guarantee a level of protection of the Participant's Personal Data equivalent to the level required within the European Union, in accordance with the applicable Personal Data Protection Regulations.

8. Rights of Data Subjects with respect to their Personal Data

The Persons Concerned have, at any time, the following rights over their Personal Data:

The rights of the Persons Concerned regarding their Personal Data can be exercised at any time by contacting TANDEMZ by email at the following address: The Concerned Person will be asked to provide proof of his/her identity.

9. Cookie management

TANDEMZ uses cookies for the proper functioning of the Platform and to track and analyze the traffic on the Platform. A "cookie" is a small data file sent to the Participant's browser by a web server and stored on the hard disk of his computer. Under no circumstances can they damage the computer.

The information collected by means of cookies is solely and strictly intended for TANDEMZ, in compliance with the Personal Data Protection Regulations. Cookies from third party publishers (Google, Facebook) allow these publishers to access the information collected through their cookies, according to the modalities specified in the table and the clause "Social Networks" below.

The list of cookies used by TANDEMZ is available in its acceptance window. Click here to see it again.

The Participant is free to consent to the use of all or part of the cookies (other than cookies strictly necessary for the operation of the Platform) used by TANDEMZ on the Platform. The Participant can make his choice when logging in for the first time by clicking on the categories of cookies he accepts. The Participant is also free to withdraw his consent to the use of cookies at any time by clicking here.

The Participant may also set his or her browser to accept or disable cookies.Cookie instructions for the most commonly used browsers are available at the following links:

10. Do Not Track

Do Not Track The Site and Platform respond to the Do Not Track ("DNT") signal. For more information on the DNT parameter, visit