El-Sayed R. El-Sayed is a Wroclaw University of Environmental and Life Sciences (UPWr) visiting professor. Dr. El Sayed is an associate professor of Applied Microbiology at the Nuclear Research Center, Egyptian Atomic Energy Authority, Cairo, Egypt. He received approximately 1 million PLN for executing the BioExplor Project under the POLONEZ BIS scheme funded by the National Science Centre (NCN), Poland, and co-funded by the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant. Dr. El Sayed completed his Ph.D. in Applied Microbiology at the Ain Shams University, Cairo, Egypt. His research focuses on discovering and producing natural products for industrial applications such as mycophenolic acid, taxol, vinblastine, digoxin, and Huperzine A. Over the last few years, his research interests have extended to using fungal endophytes to synthesize nanomaterials as green, cost-effective, and eco-friendly platforms. Dr. El Sayed is an Editor of three journals: Archives