Ahmad Omar earned, from Zagazig University, Egypt, a BS in Agricultural Biochemistry (1993) and an MS in Biochemistry (1997). He earned a PhD in Horticultural Sciences (Plant Biotechnology) from the University of Florida (2006). He is now a Plant Biochemistry and Molecular Biology professor at the Department of Biochemistry, Faculty of Agriculture, Zagazig University, Egypt. Currently, he works as a Research Assistant Scientist at the Citrus Research and Education Center, University of Florida, USA. His work in the Field of plant biotechnology has resulted in more than 100 peer-reviewed papers in various journals including Nature Communications, Frontiers in Plant Science and Transgenic Progress, and 150 presentations at national and international conferences. He is active at the American Society for Horticultural Science (ASHS) and the Society for In Vitro Biology (SIVB). During his career, he received several awards and honors. His teaching disciplines include Plant Biotechnology, Molecular Biology, Genetic Engineering, Physiological Biochemistry, etc. His/her research interests include Citrus Scion and rootstock improvement, Tissue Culture and Genetic Modifications, Protoplast techniques, Somatic Cell Genetics, Somaclonal Variation, Embryo Rescue, Ploidy Manipulation, Disease Resistance, Transformation, Propagation, Molecular Biology, Metabolic, Genome Editing using CRISPR technology, Macadamia propagation, Plant physiology, Macadamia genetic diversity.