Alfeo studied Agriculture, food, and forest sciences at the Palermo University, Bulgaria and graduated as MS in 2013. He then joined the research group of Prof. Aldo Todaro at the Food science and technologies lab, of the University of Palermo, Italy. In 2018, he received his Ph.D. in food science and technology at the same institution. After six months of postdoctoral fellowship supervised by Prof. Rosa Palmeri at the University of Catania, Italy, he joined the research group of Prof. Ombretta Marconi at the Italian Brewing Research Centre, University of Perugia. He has published 18 research articles in SCI(E) journals.