Mika Sillanpää’s research work centers on chemical treatment in environmental engineering and environmental monitoring and analysis. The recent research focus has been on the resource recovery from waste streams. Sillanpää received his M.Sc. (Eng.) and D.Sc. (Eng.) degrees from the Aalto University where he also completed an MBA degree in 2013. Since 2000, he has been a full professor/adjunct professor at the University of Oulu, the University of Eastern Finland, the LUT University, the University of Eastern Finland and the University of Johannesburg. Dr. Marina Shestakova received a master’s degree in Environmental Engineering from the High School of Technology and Energy, Russia. After that, Dr. Shestakova continued her studies in Finland and received an MSc (Technol.) in Bioenergy Technology in 2010. In 2012, she began her PhD studies under the supervision of Prof. Sillanpää at the Lappeenranta University of Technology. She received her DSc degree in Green Chemical Technology in 2016. Dr. Shestakova has also conducted research work at the University of Alicante (Spain) and Coventry University (UK). Currently Dr. Shestakova works as a postdoctoral researcher in the Laboratory of Green Chemistry, Lappeenranta University of Technology. Her areas of interest include water treatment, environmental engineering, environmental remediation, renewable energy, nanocomposites, and nanomaterials