Jerzy Dera, born 1933, Mosina, Poland Prof. Dr. of physical sciences, Speciality: marine physics, hydrooptics. Author or co-author of many papers and books in marine physics (e.g. Marine Physics, Elsevier, 1992, Fizyka Morza, PWN, 1983, 2003, Light Absorption in Sea Water, Springer, 2007) dera@iopan.gda.pl

Member of the Polish Academy of Sciences (PAS, since 1991),
Director of the Institute of Oceanology PAS (1990 - 2002),
Member of the Polish National SCOR(Chairman of the Committee, 1981-1990),
Editor-in-chief of the scientific periodical Oceanologia, since 1983,
Member of the Central State Committee for the conferment of scientific degrees and titles (1994 - 2010),
Chairman of the Scientific Council, Institute of Oceanology PAS (2003 - 2010),
Chairman of the National Committee for co-operation with the IOC UNESCO (2004-2006),
Member of the European Science foundation Marine Board (1995 - 2010),
Member of Polish Physical Society and European Geophysical Society.