Mamdouh Sharaf is a Telecommunication Engineer with more than 12 years’ experience in Information Technologies Inter-networking since 2001. with high education Degrees: Diploma Degree in Information Technology Network, from Information Technology Institute , Cairo, Egypt. Bachelor of Engineering in Electronics and Computer System Engineering. Faculty of Engineering , Mansoura University, Egypt. He has a great Hands-on experiences on Cisco Unified Communication since 2006. He had gotten a high skills for Design, Implement, Operate and Optimize VoIP and Enterprise Unified Communication solutions. Plus he was dedicated for 3 years working on Deploy, Optimize, Upgrade Cisco Unified Communication MEGA-Cluster (PUB+ 16xSUBs) which support more than 30,000 users for World-Bank-Group Head Quarter at Washington DC, USA. He is Expert with Planning and Deploying for Green-Filed solution and migrate existing Unified Communication system with High Availability and Disaster Recovery. He has great experience in Pre and Post Sales for Unified Communication and Collaboration Solutions. He has been worked with International and Multinational Company for more than 9 years for supporting Global Customers World Wide in North/South America, Europe/Middle East, GCC and Asia. Expertise: CCIE Collaboration 51673 Cisco UC and Collaboration CCIE Voice / CCVP CCDA/CCDP CCIE Collaboration VMware VCP