Name: Christos D. Tsadilas Origin: Greece, Larissa, 10 Thourapti street, 41335 Education Bachelor in Agronomy, Agricultural University of Athens; Master of Science in Soil Survey, Evaluation and Hydrological Economy of Soils, Agricultural University of Athens; PhD in Soil Chemistry, Soil Fertility, Agricultural University of Athens; Postdoc studies University of Reading της Αγγλίας, University of Kentucky, Lexington, KY., University of Nebraska, Lincoln, NE. Employment: Hellenic Agricultural Organization DEMETER, Institute of Soil Mapping and Classification, Larissa, Greece. Position: Director until June 2018 when retired. Scientific objects/interests: Soil mapping, soil fertility, and plant nutrition, precision Agriculture. Research activities: More than 30 competitive and 30 non-competitive research projects, both national and European. Publications: Research papers: 102-Web of Science; Books (3); Chapters in books (16); Full papers in proceedings of international conferences (19). Scopus h-index: 27 (Scopus). Participation in editorial boards: 7 journals. Reviewer of papers in 25 scientific journals.