Efstathia Ioannou is an Assistant Professor (tenured) in the Marine Pharmacognosy Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens (NKUA). She obtained her M.Sc. in Pharmacognosy and Chemistry of Natural Products (11/2005) and her Ph.D. in Pharmacy from the Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens (03/2009). She completed a postdoctoral fellowship at the Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California in 2010. She was the Regional Representative of the Phytochemical Society of Europe (PSE) for South-East Europe (06/2011–03/2015). She is the Meetings Secretary of the Phytochemical Society of Europe (P.S.E.). Her research topics include Isolation and structure elucidation of natural products from marine and terrestrial macroorganisms aiming at the assessment of their biological activity or their ecological role, Isolation of symbiotic, endophytic, epiphytic or/and free-living bacteria and fungi from the marine environment aiming at the isolation of bioactive metabolites and Development of methodology based on LC-DAD-MS, GC-MS and NMR and construction of in-house databases aiming at the metabolomic fingerprinting of marine organisms.