Callum joined the aquatic ecotoxicology team at Cambridge Environmental Assessments in 2022. He holds a BSc in biological sciences from the University of Wolverhampton and a MSc in plant pathology from Harper Adams University. Prior to joining CEA, Callum gained research experience working in the agricultural sector. As a member of the ecotoxicology team, Callum assists with higher-tier GLP studies involving outdoor mesocosms and indoor exposure studies of target species. Alongside this, he cultures and maintains the macroinvertebrates, freshwater algae and zooplankton species.