Dr. Eleni Theodosiou studied Food Science & Technology (1996-2001) at the AUTH (Thessaloniki) where she also did her Master thesis on “Food Biotechnology and Microbiology” (2001-2003) with a Postgraduate Scholarship (Greek State Scholarships Foundation, IKY). In her Ph.D. (2004-2009) at the Dept. of Chemical Engineering, NTUA (Athens), she investigated “Strategies for the biocatalytic modification of natural antioxidants”. From 2011 until 2015, she worked as a postdoctoral researcher in the group of Prof. Andreas Schmid (Dept. of Biochemical and Chemical Engineering, Technical University of Dortmund). From 2015 until March 2018, she was a scientist of the Systems Biotechnology group (Dr. Jens Krömer) in the Dept. of Solar Materials directed by Prof. Andreas Schmid at the Helmholtz Center for Environmental Research, UFZ (Leipzig). From 2018, she works as postdoctoral researcher at CERTH/INAB and from 2021 she holds the position of Special operation scientist of the Laboratory of Systems Biotechnology and Metabolomics.