- PhD researchers who carry out activities within the scope of the objectives of LE @ D, with a minimum dedication of 20% of their time to the activities of the unity and are not integrated members of another R & D unity.
- Non-PhD researchers working within the objectives of LE @ D and devoting at least 20% of their time to LE @ D activities and have no link with another R & D unity as an integrated member.
Collaborators are non-integrated researchers who carry out research activities within the framework of one or more LE@D research projects.
Students who develop research for getting a PhD.
Staff from Universidade Aberta, institution hosting the LE@D, providing support to the unity.