Eleni Psomou is an Environmental Scientist from the University of the Aegean (Greece) with a MSc in Water Resources Management from National Technical University of Athens specializing in solid and liquid waste management projects. She is a freelancer, researcher with many years of experience in the preparation of environmental impact studies of public and private projects, consulting on green business with emphasis on calculating the carbon footprint and the design of business tools and training modules for implementation of green business. She has participated in numerous inspections in the standards ISO14001, ISO9001 as a trainee Lead Auditor of TUV NORD HELLAS and has worked as a quality and environmental management consultant in waste recycling companies, car importers and restaurants. Since 2016 she has been involved in the observation of marine ecosystems and bottom cleaning actions and since 2021 she is a researcher in the field of environmentally sustainable business of hotel units as a PhD candidate in the Department of Environment of the University of the Aegean.