 He was in 2004/05 at the TU Munich, from 2008 to 2010 a visiting professor at the Central European University in Budapest, and in 2012 at the Erwin Schrödinger Institute in Vienna.For 2018 to 2021 he was appointed an Einstein Visiting Fellow at TU Berlin.His research deals with partial differential equations, infinite dimensional dynamical systems, and mathematical problems of hydrodynamics.