21. Dominick Delfino
Last Cisco Position: Vice President, Systems Engineering
Dominick Delfino, a 14-year Cisco veteran, jumped ship to VMware in 2014. Delfino was vice president of worldwide data center and visualization systems engineering and played a large role in bringing Cisco products to market, such as the Nexus line of switches and MDS 9000 series of storage networking products.
He also helped drive sales of UCS servers and Cisco's software-defined networking ACI. Delfino is currently vice president of worldwide sales and systems engineering at VMware.