Haroon Khan, CCIE No. 4530, attended the University of California at Berkeley where he majored in cognitive science. While attending Berkeley, Haroon started his internship at Cisco Systems working as a software developer. From 1997 to 2000 Haroon worked for the Cisco Network Security Support group as a senior network engineer. From 2001 to 2004 Haroon worked as a senior network consultant for the Cisco Data Center Advanced Services team. His main focus was on the design and architecture of data center technologies, which included content networking, security, routing and switching, and consulting with the top Cisco enterprise and service provider customers. Haroon currently is a manager for the Cisco Advanced Services Data Center Consulting Group and lives with his wife in San Jose, CA.