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David Greenfield

David Greenfield

Director of Technology Evangelism at Cato Networks


Seasoned technology analyst and marketer with a proven track record in content marketing, social media, sales enablement, competitive positioning, and messaging. I combine marketing experience with 15+ years as a leading technology journalist and analyst to help companies identify the right story to tell and tell it in the right way.

Skills: Strategic analysis, social media, product marketing, journalism, sales presentations, public speaking, writing, content creation, training, internal tool development, management, market assessment

Technologies: Very strong background in all aspects of networking technologies including cyber security, security operations, incident response, SD-WAN, SDN, NFV, virtualization, cloud, MPLS and carrier services, IP routing, multilayer switching, network security,digital rights management (DRM), license and entitlement management (LEM), Internet of Things (IoT), optical networks and more.


  • Editor, Network Computing Magazine (UBM plc)
  • Product Marketing Manager (Silver Peak Systems)
  • CEO and Lead Analyst (TheGreenerField)
  • International Technology Editor (Data Communications Magazine)
  • Secure Networking Evangelist (Cato Networks)
  • Director of Technology Evangelism (Cato Networks)
  • Site Editor, Networking Pipeline (UBM plc)


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