Prof. Dr. George Aggelis is a professor of microbiology at the Division of Genetics, Cell Biology, and Development, Department of Biology, University of Patras, and a distinguished adjunct professor at the Department of Biological Sciences, King Abdulaziz University, Saudi Arabia. He got the Diploma of Agricultural Sciences from the Agricultural University of Athens (1977–1982); the Advanced Studies Diploma from the University of Sciences and Technology of Languedoc, Montpellier II, France (1985–1986); and the Doctorate in Biochemistry, Cellular and Molecular Biology from the University of Sciences and Technology of Languedoc, Montpellier II, France (1986–1989). Then, he completed his postdoctoral fellowship at the Agricultural University of Athens (1989–1993). Subsequently, he held positions at the Department of Agricultural Biotechnology, Agricultural University of Athens, as a lecturer (1993–1997) and an assistant professor (1997–2005); as a visiting professor at the Unit of Bioengineering, Catholic University of Louvain, Belgium (2004); and as an associate professor at the Department of Biology, University of Patras (2005–2011). His research interests include oleaginous microorganisms, adaptive laboratory evolution, biotechnology of single-cell oils, polyunsaturated fatty acids, ethanol fermentation, organic acids, degradation of phenolics, glycerol, methanol, and fatty acid metabolism, as well as modeling.