David Jansen, CCIE No. 5952 (Routing/Switching), is a distinguished systems engineer (DSE) for Cisco, specializing in data center, campus, branch/WAN, and cloud architectures. He has 20 years of experience in the industry and has earned certifications from Novell, VMware, Microsoft, TOGAF, and Cisco. His focus is working with global enterprise customers to address their challenges with comprehensive end-to-end data center, enterprise, WAN/Internet, and cloud architectures. David has been with Cisco for more than 19 years; for the last 4 years or so as a DSE, he has gained unique experiences in building next generation data center solutions. David has a bachelor's degree in computer science engineering from the University of Michigan and a master's degree in adult education from Central Michigan University.