Hella Wiacek is a Geologist with nearly a decade of experience in Hydrogeological consulting and research. Currently she is a Project Manager at ESWE Institute for Water Research and Water Technology. Her research interests include Well maintenance, Well ageing, Well rehabilitation, Ultrasound in Applied Environmental sciences, Use of Ultrasound in Water Supply and Water Treatment, Well rehabilitation with high-energy Ultrasound. Ms Wiacek studied Geology (Optional Subjects: Global Change, Geochemistry) at the University of Wales, Cardiff and Advanced Graduate Studies (Hydrogeology, Geophysics, Soil Science) at the Johannes – Gutenberg – University of Mainz.