Prof. Mika SILLANPÄÄ is a Professor at the Lappeenranta-Lahti University of Technology LUT, Finland. He has over 20 years of experience in green chemistry, analytical chemistry and environmental engineering and has worked extensively with adsorption, photocatalysis, electrochemical treatment and advanced oxidation processes as well as environmental analysis. He has published several books and over 500 internationally refereed scientific papers. Overall, his more than 700 publications have been cited 20 000 times. Sillanpää has also established close collaboration with over 80 research partners from the world's leading laboratories across six continents. He has been recognised on the Clarivate Analytics (previously Thomson Reuters) Highly Cited Researchers 2018 list.