Dr. John Samelis is a Research Director in Food Microbiology/Safety at the Dairy Research Department, Hellenic Agricultural Organization ‘DIMITRA’, Ioannina, Greece. He obtained a B.Sc. in Food Science and Technology (1987) and a PhD in Food Microbiology (1993) from the Agricultural University of Athens. His research interests include food fermentation, meat, dairy, food safety, food biopreservation, lactic acid bacteria, starter and protective culture, and bacteriocins. He has over 35 years of work experience and was a member of the International Association for Food Protection (IAFP) for 20 years (2001–2020).