Dr. Alexandra Kraberg has worked with phytoplankton for over 12 years, including time as a phytoplankton analyst for long-term monitoring programmes in Ireland and the UK. After receiving her PhD from the University of Liverpool in 2002, she moved to the Alfred Wegener Institute for Polar and Marine Science, where she has worked on a range of phytoplankton projects. Dr. Claus-Dieter D#rselen received his PhD from the University of Oldenburg in 1995. While at Oldenburg as a post doc, Dr. D#rselen worked as a phytoplankton expert in different national and international research projects. Together with a former research colleague, he founded the environmental company AquaEcology in 2002. Dr. D#rselen is a plankton consultant to the regional and local water authorities of Northern Germany. Prof. Dr. Marcus Baumann has studied phytoplankton of the North Sea and the polar regions, both the Arctic and the Antarctic for more than 30 years. After two years as a researcher at the Alfred Wegener Institute he became head of the environmental services department at the FH Aachen, University of Applied Sciences, before receiving a professorship in biotechnology. Currently he is the rector at the FH Aachen.