He has been instrumental in creating networking products and services accounting for multi-billions of dollars of revenue, was an early pioneer in architecting and fielding Telco data networks. He has deep expertise in optical systems, routing, switching, and PON (Passive Optical Networks). John now serves as a senior-level technology and product strategy consultant for the networking industry. Previously, he served as AT&T Vice President, Network and Services Development. John holds a master's degree from IIT Madras, India.