Theodora Matsi is Professor in the Laboratory of Soil Science, Department of Hydraulics, Soil Science and Agricultural Engineering, School of Agriculture, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki (AUTh), with the subject of “Soil Science”. She received her bachelor’s degree from the School of Chemistry, Faculty of Sciences, AUTh (1985) and her PhD degree from the School of Agriculture, Faculty of Geotechnical Sciences, AUTh (1997). Her research interests include the study of a) plant and animal residues, municipal organic wastes and industrial by-products and wastes as soil amendments and b) the species, reactions and distribution of microelements in soils. She has worked as chemist in the post-high school preparatory centers (1986-1990) and as researcher assistant in 13 research projects of AUTh, mostly in the Soil Science Laboratory, School of Agriculture (1991-2000). Moreover, she has worked as teaching assistant in the School of Agriculture, AUTh (1998-2000) and in the Agricultural College of Thessaloniki (1997-2004) and as Researcher D, in the Land Reclamation Institute (LRI), National Agricultural Research Foundation (NAGREF) (2001-2004), where she participated in 10 research projects [as Principal Investigator (PI) in 1]. In the year of 2005, she took a Lecturer position in the Department of Hydraulics, Soil Science and Agricultural Engineering, School of Agriculture, AUTh, with the subject of “Soil Science”, and she was promoted to Assistant Professor in 2009, to Associate Professor in 2015 and to Professor in 2019. During her academic carrier, she participated/participates in the teaching of the undergraduate classes General and Inorganic Chemistry, Soil Science, Soil Fertility, Soil Chemistry, Problematic Soils and Inorganic Chemical Analysis, and in the teaching of the postgraduate classes Chemical Analysis of Soils, Waters and Plant Tissues, Advanced Soil Chemistry, Environmental Soil Chemistry and Integrated Soil Nutrient Management. Furthermore, she co-supervised 1 PhD thesis, she supervised herself 4 PhD theses, and she was member of the 3-member advisory committee of another 5 PhD theses and of the 7-member examining committee of another 8 PhD theses. She co-supervised 2 MSc theses, she supervised herself 10 MSc theses, and she was member of the 3-member advisory committee of another 13 MSc theses. Moreover, she supervised 41 dissertations. In addition, she participated in 7 research projects [as PI in 2 and as Group Leader in another 2]. She is first author / co-author of 60 peer-reviewed publications (SCI journals) and 5 book chapters, and she edited the translation in Greek language of 2 chapters of the book “Brady N.C. and R.R. Weil. 2008. The Nature and Properties of Soils. 14th edition. Pearson Prentice Hall, Upper Saddle River, NJ”. Furthermore, she has participated in 55 contributions to national and international conferences, she reviewed 86 manuscript which were submitted for publication in international (SCI) journals and she has more than 1400 citations (SCOPUS & Web of Science, excluding self-citations of all authors) and h-index 20.