Riitta Koivikko works in the field of analytical quality, particularly in environmental measurements. With over ten years of experience in proficiency testing, she serves as a proficiency testing coordinator and senior specialist at Proftest Syke within the Finnish Environment Institute. Riitta is also actively involved in various international cooperation projects, focusing on the quality of results of environmental laboratories. She holds a PhD in Chemistry and has previously worked at the University of Turku (Finland), the Alfred-Wegener Institute (Germany), and the Joint Research Center (Italy).