Piotr Konieczka (MSc 1989, PhD 1994, DSc 2008-GUT, Prof. 2014), has been employed at Gdańsk University of Technology since 1989 and is currently working as a full professor. His published scientific output includes 2 books, 10 book chapters, and more than 70 papers published in international journals from the JCR list (Σ IF = 165), as well as more than 100 lectures and communications. Number of citations (without self-citations) = 585, h-index = 16 (according to Web of Science, 16.12.2015). Supervisor or Co-supervisor of 4 PhD thesis (completed). His research interests include metrology, environmental analytics and monitoring, and trace analysis. Jacek Namieśnik, MSc 1972-GUT, PhD 1978-GUT, DSc 1985-GUT, Prof. 1998), has been employed at Gdańsk University of Technology since 1972. Currently a full professor, he has also served as vice dean of the Chemical Faculty (1990–1996) and dean of the Chemical Faculty (1996–2000 and 2005–2012). He has been the head of the Department of Analytical Chemistry since 1995, as well as chairman of the Committee of Analytical Chemistry of the Polish Academy of Sciences since 2007, and Fellow of the International Union of Pure and Applied Chemistry (IUPAC) since 1996. He was director of the Centre of Excellence in Environmental Analysis and Monitoring in 2003–2005. Among his published scientific papers are 8 books, more than 650 papers published in international journals from the JCR list (Σ IF = 1673), and more than 400 lectures and communications published in conference proceedings; he has 10 patents to his name. Number of citations (without self-citations) = 6711, h-index = 42 (according to Web of Science, 16.12.2015). Supervisor or Co-supervisor of 59 PhD thesis (completed). Elected as a Rector of Gdańsk University of Technology for the period 2016-2020. His research interests include environmental analytics and monitoring and trace analysis.