Stanislaw Sieniutycz is a former member of the Committee of Engineering at the Polish Academy of Sciences and also a professor of chemical engineering at the Warsaw University of Technology, Poland. His research focuses on problems of chemical, environmental, ecological, and biomechanical engineering with emphasis on analysis, control, and optimization of these systems. He is a former member of the Editorial Board of Open System and Information Dynamics and an honorary editor of the Journal of Non-Equilibrium Thermodynamics. He has served as an associate editor of Advances in Thermodynamics Series and Energy & Conversion Management. He has published 12 books, 250 articles, and 152 conference papers. He has been a visiting professor at the University of Budapest, University of Bern, University of San Diego, University of Delaware, and University of Chicago.Prof. Zbigniew Szwast (1948), PhD; ScD, has been since 2005 a Professor of Chemical Engineering at the Warsaw TU, Poland. He has received his MsD in Chemical Engineering in 1971, PhD in Chemical Engineering in 1979, and ScD (habilitation) in Chemical Engineering in 1994, all from Warsaw TU. He has been a visiting professor in US University of Stoors (Chemical Engineering) and University of Bern (Physiology, 1990). His research focuses on optimization of chemical engineering processes. He is co-author of several books.