Dr. Patrick Marcus started studying Chemical Engineering at the University in Karlsruhe (TH) in 1995. After finishing his undergraduate studies he transferred to the University of Applied Sciences in Mannheim. In 2002 he started his studies for a Masters in Chemical Engineering at the University of Applied Sciences in Mannheim, which he finished in 2003. In parallel he also started his Doctoral research work at the University of Dresden which he finished successfully in 2005. Afterwards he started working at the Water Technology Center of the German "Gas and Water Association (DVGW)" in Karlsruhe. He worked as a consultant engineer for stationary water suppliers and was responsible for a research project regarding the security of the German drinking water supply system against terroristic activities. This project was fully funded by the German "Federal Ministry of Education and Research (BMBF)" and the DVGW. In 2007 he started to work for Kärcher Futuretech as a product manager in the field of "Water Supply Systems. Since 2012 he is now head of the department “Technical Sales Support, Training/Demonstration & Service” within Kärcher Futuretech.