Mostafa Khalil is a senior staff engineer at VMware. He is a senior member of VMware Global Support Services and has worked for VMware for more than 13 years. Prior to joining VMware, he worked at Lotus/IBM. A native of Egypt, Mostafa graduated from the Al-Azhar University’s School of Medicine, and practiced medicine in Cairo. He became intrigued by the mini computer system used in his medical practice and began to educate himself about computing and networking technologies. After moving to the United States, Mostafa continued to focus on computing and acquired several professional certifications. He is certified as VCDX (3, 4, & 5), VCAP (4 & 5)-DCD, VCAP4-DCA, VCP (2, 3, 4, & 5), MCSE, Master CNE, HP ASE, IBM CSE, and Lotus CLP. As storage became a central element in the virtualization environment, Mostafa became an expert in this field and delivered several seminars and troubleshooting workshops at various VMware public events in the United States and around the world.