John McCool

John McCool is Senior Vice President and Chief Technology Officer of the Global Enterprise Segment at Cisco. In this role, McCool is responsible for the Cisco Borderless Network Architecture and the Global Enterprise Technology Office. Cisco Borderless Networks, which accounts for one-third of Cisco’s revenues, is a technical network architecture for enterprise and public sector organizations that integrates Cisco products and solutions spanning routing, switching, mobility, security, and network services. He also leads the Global Enterprise Technology Office, which oversees the Enterprise Whole Offer Engineering group, Smart Business Architecture group, and the Office of CTO for Global Enterprise.

Earlier, he led Cisco’s switching business as Senior Vice President and General Manager of Cisco’s Data Center, Switching and Services Group where he was responsible for the company’s comprehensive family of enterprise Ethernet switching products, application networking, WAN optimization, storage networking, and system solutions. During this time, he led the complete refresh of the Cisco Catalyst switch product family, launched the highly successful Cisco Nexus 7000 Series data center switch, and introduced NX-OS, its modular data center operating system optimized for enterprise customers. Prior to that McCool held other switching leadership positions in which he grew the Cisco Catalyst 4500 and 6500 series businesses to multi-billion-dollar entities.

McCool came to Cisco through the acquisition of Granite Systems in 1996. Before that, he led network product development teams at SynOptics, NeXT Computer, and Advanced Micro Devices.

McCool has been active in creating industry standards, playing a key role in the development of dual speed 10/100BASE-T technology as part of the IEEE802.3u standard and making significant contributions to the ANSI X3T9.5 FDDI standard. He holds several patents related to network technologies.

McCool holds a bachelor’s degree in electrical engineering from Drexel University and a master’s degree in computer engineering from Santa Clara University.

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