Samen met Marijn Schenk (Next Architects) en Paul Gerretsen (Vereniging Deltametropool) vormde Teun in 2019 de jury van de jonge Maaskantprijs. Donna van Milligen Bielke (1983) won de prijs op basis van de consequente aanpak waarvan haar werk getuigt, dat blijk geeft van enorm ontwerptalent.
The Architecture Students’ associations of Romania invited Teun as a member of the jury for the annual Architecture Students Contest. More than 170 students took part in the contest, named Concursul Anual al Studentilor Arhitecti C|A|S|A. The competition was based on a vacant plot near the historical city centre of Arad.
In the Romanian town of Cluj-Napoca an Architecture Students Contest between Romanian students is held annually. In 2015 Teun was invited to as a member of the jury and as a lecturer during the Cluj Architecture Festival.