Piotr Szefer was employed during 1972-2000 in the Department of Analytical Chemistry, Medical University of Gdańsk (MUG). He received his MSc (1972), PhD (1978), and DSc (1990). He was awarded Full Professorship in January 2000. His research is focused on analytical chemistry, environmental analytics, trace analysis, food and marine chemistry and bioanalytics. During 1996-2002, he was Dean of the Faculty of Pharmacy, MUG. He was the head of the Department of Food Sciences, MUG. He has published 5 books with Elsevier Science B.V., CRC Press - Taylor & Francis, Marine Board, European Science Foundation, and Maralte BV.

Piotr Szefer was also the Guest Editor of two special issues of journals such as Applied Geochemistry (Pergamon - Elsevier Science Ltd., 1998) and Marine Pollution Bulletin (Pergamon-Elsevier, 2004). He has published ca. 50 book chapters including 20 international ones (published by e.g. Springer, Elsevier, Taylor & Francis and Nova Science Publishers, Inc.), 370 papers and more than 300 symposia abstracts. He has been a member of more than 30 international and national research consortiums, expert panels, working groups as well as scientific associations and organizations (e.g. WG MB-ESF, SCOR, WGMS-ICES) as well as a member of 20 editorial boards of international journals (published by e.g. Elsevier, Springer-Versita, Taylor & Francis, Bentham). He has reviewed more than 2000 manuscripts for ca. 120 different journals, mainly with an international reputation. He published with ca.100 Polish scientists and ca. 150 scientists originated from ca. 50 countries. He has visited 16 countries as visiting professor or research scientist. He received (as host scientist) in his Department different researchers from 17 countries.

Piotr Szefer has been lately ranked among the top 2% of researchers in the world.