ChEAF - Executive Board Prof. Dr. Sherif El Sheikh +49 214-32831-4636 sherif.el_sheikh@th-koeln.de Staff profile Prof. Dr. Birgit Glüsen +49 214-32831-4640 birgit.gluesen@th-koeln.de Staff profile Dr. Lea Hartmann +49 214-32831-4653 lea.hartmann@th-koeln.de Staff profile Prof. Dr. Matthias Hochgürtel +49 214-32831-4613 matthias.hochguertel@th-koeln.de Staff profile Prof. Dr. Viktoriia Wagner +49 214-32831-4737 viktoriia.wagner@th-koeln.de Staff profile