Mário Silveiro de Barros completed his PHD in Law, with a Doctoral thesis in Social Security Procedural Law at the Law Faculty of the University of La Coruña, Spain. Develops his academic and research work in ​​Social Security Law. In addition to 1 published book, he published 9 articles in scientific peer-reviewed journals and 9 individual chapters in collective books. He presented several on-site talks and communications at scientific events (conferences and seminars). He also has a professional activity as a lawyer in the area of ​​labour law, social security and commercial law. At ISCTE he is an Invited Professor, lecture in the courses of Social Security Law, Labor Procedural Law, Employment Law, Social Law and Corporate Law.