He has published essays, commentaries and critical contributions to debates in numerous German daily and weekly newspapers, magazines and online media.
[1] Between 1997 and 1999, Pörksen prepared his thesis entitled Die Konstruktion von Feindbildern: zum Sprachgebrauch in neonazistischen Medien (English: The construction of enemy images on the use of language by neo-Nazi media).
In 2007 he successfully completed the formal qualifying procedures for independent research and teaching as a university professor for communication and media studies (Habilitation).
Pörksen is on the editorial board of multiple systemic-constructivist journals (Constructivist Foundations, Cybernetics and Human Knowing, and Familiendynamik).
His book on modern systems theory and the philosophy of constructivism (together with the Austrian-American cybernetics Heinz von Foerster and the Chilean neurobiologist Humberto Maturana) are available in German, English, Italian, Danish, Korean and Spanish.