Dr. Ralf Georg Dietzgen is an Honorary Associate Professor (retired) at the University of Queensland. He obtained his Doctorate in Microbiology from the Eberhard Karls University of Tűbingen, Germany, in 1983. He completed postdoctoral studies at the University of Cambridge (R. Coombs), Cornell University (M. Zaitlin), University of California at Berkeley (A.O. Jackson), UC Davis (G. Bruening), and the University of Adelaide (R.I.B. Francki). He joined the Department of Primary Industries as a Plant Virologist in 1989 and transferred to the Queensland Agricultural Biotechnology Centre at the University of Queensland, St. Lucia, in 1992. From 2007 to 2010 he was the Science Leader of Molecular Bioscience Technologies in the Emerging Technologies science unit of the Queensland Government Department of Employment, Economic Development and Innovation. From 2010 to 2022, he was the Principal Research Fellow and Associate Professor in the Queensland Alliance for Agriculture and Food Innovation (QAAFI) institute at the University of Queensland.