Dr. Guenter GRUBER is responsible for the measurement and data working group of his institute at Graz University of Technologies. He is one of the most internationally recognized experts in online measurements of water quality in sewers and rivers and involved in several national and international working groups. He has decades of teaching experience and has supervised more than 50 master students. Furthermore, he was involved in the supervision of several PhD students and is a regular member of PhD examination committees at international universities.