Krzysztof Zaraska graduated from AGH University of Science and Technology (AGH-UST), Poland, in 2004, with a PhD degree in Electronics, and has been employed at Łukasiewicz-Institute of Microelectronics and Photonics (formerly Institute of Electron Technology) since then. Since 2012, he has been involved in development of technology for manufacturing thick-film pH sensors and co-authored 15 publications in the area. He also managed EU FP7 SENSEIVER and H2020 AQUASENSE projects focused on development of thick-film pH sensors.