Prof.Dr.Waleed Seif El-Din Mohamed, MSc, Ph.D. Professor of Cancer Biology (Virology and Immunology), National Cancer Institute, Cairo University, Egypt. Date of employment at NCI, Cairo University from 1990 - until now. Ph.D Fellowship in Molecular Pathology at Maryland University Hospital, Pathology Department , Baltimore, MD, USA (1999-2000). Postdoct Fellowship in Bioinformatics and Biobanking at Baylor College of Medicine, Houston, TX, USA (2013-2014). In addition to work as a professor of Medical Microbiology, Clinical laboratory Department, and Chairman of Physiotherapy & Health Rehabilitation Department, Faculty of Applied Medical Sciences, Jouf University, KSA (2016- until now). The fields of interest are; Oncogenic Viral Infections, Tumor Immunology, Cancer Vaccine, Cancer Genetics, and Bioinformatics.