Meltem Muftuler-Bac organized a PhD Workshop together with Frank Schimmelfennig from ETH Zurich at Sabanci University under their joint project Viaduct on March 18-19, 2019. A total of 14 PhD students from Sabanci University, Turkish and European institutions presented their papers in the two day workshop, and attended keynote lectures delivered by Meltem Muftuler-Bac and Mert Moral from Sabanci University, Frank Schimmelfennig, ETH, Geoffrey Edwards, Cambridge University and Funda Tekin, University of Cologne.