John Sabasteanski is a Distinguished Engineer in Cisco’s Data Center Networking Business Unit and a leading authority on data center networking for financial services. He drives the development and prioritization of technologies tailored to this sector and has shaped the network designs of many of the world’s largest banks and exchanges.

Prior to his current role, John held positions at Big Switch and Insieme Networks, which Cisco acquired in 2014.

His expertise spans data center design for AI/ML, ultra-low latency trading infrastructure, high availability, and advanced diagnostics and testing methodologies.