Dr. Metzler has worked in many positions in the networking industry. This included creating software tools to design customer networks for a major IXC; being an engineering manager for high-speed data services for a major telco; being a Product Manager for network hardware; managing networks at two Fortune 500 companies; directing and performing market research at a major industry analyst firm; and running a consulting organization. Jim's current interests include application delivery, software defined networking, and network functions virtualization. He has published the ebooks "The 2014 Guide to Application and Service Delivery" and "The 2014-2015 Guide to Software Defined Networking and Network Function Virtualization."
Jim holds a Ph.D. in Numerical Analysis from Boston University. He has been on the faculty of several universities, including Bentley University, Northeastern University, and Drew University. He co-authored the book Layer 3 Switching: A Guide for IT Professionals, has written for numerous publications, and is a frequent speaker at conferences and seminars.