Professor Edriss Titi is a worldwide renowned applied mathematician with broad interests in nonlinear science and scientific computation who specializes in the mathematical study of problems from fluid dynamics, nonlinear partial differential equations, and in a dynamical systems approach to turbulence. His contributions to these areas are of the highest calibre and practical impact. During his stay in Germany, Professor Titi will focus on theoretical and practical advances in the understanding and simulation of atmosphere and ocean dynamics.