Upon completion of her doctorate at Duke University Medical Center, NC, she published many articles in the area of cancer diagnosis (Mansour et al, 2012, Eissa et al, 2011, Eissa et al, 2005, Kassim et al, 2004, etc.). At 2002, she joined Glasgow Caledonian University where she identified the differences between breast and ovarian cancers in the Androgen receptor gene methylation and exon one CAG repeat length (Kassim et al, 2004). She joined important research in the molecular events accompanying hepatitis C viral infections among Egyptian patients (Hassan et al, 2007, and Hassan et al, 2002). Dr. Kassim helped the development of Bioinformatics Master and undergraduate programs in Helwan and Ain Shams Universities. Dr. Kassim is the Co-PI of the Egyptian node of H3ABioNet.