Prof. Zygmunt Kowalski is a Professor at the Institute of Mineral Resources and Energy, Polish Academy of Sciences MEERI PAS Kraków. He was the Dean of the Chemical Engineering Faculty of Cracow University of Technology CUT (2008–2016). Previously, he worked as a Plenipotentiary at the Polish Minister of Chemistry (1985–1986), as the Deputy Director of the Glass and Ceramic Institute, Warsaw (1986–1989), and as the Technical Director of the Cracow Inorganic Works “Bonarka”(1989–1994). He was a Member of the Board and Director of Investment and Development of Alwernia Chemical Company SA in 1997–1999. He joined the Cracow University of Technology Associate Professor in 1995 and became a Full Professor in 2001. Prof. Kowalski obtained his Ph.D. from the Military Academy of Science Warsaw in 1978. His research interests lie in phosphorus technologies and waste management. He was the recipient of the Polish Prime Minister Award for Science-Technical Achievement in 2011. His research areas include chromium and phosphorus technologies, waste management, cleaner technologies, and LCA methods.