Following her M.B.B.Ch in 1998 and M.Sc. in General Medicine in 2004 from Zagazig University, Dr. Haggag pursued her MD degree in Medical Oncology at NCI, Cairo University in 2010. Thereafter, Dr. Haggag joined the Medical Oncology Department at NCI and became an assistant professor in 2015 till now. Dr. Haggag is a member of various professional organizations including the American Society of Clinical Oncology (ASCO), the European Society of Medical Oncology (ESMO), European Arab School of Oncology (EASO), Breast gynecological cancer group (BCGC) and Egyptian hematology oncology group (EHOG). Dr. Haggag serves as an editor in Advances in Oncology Research and Treatments Journal, Journal of Unexplored Medical Data (JUMD) and Cancer Therapy & Oncology International Journal (CTOIJ).