Michael Geller

Principal Systems Engineer

Security and Threat Defense

Micheal Geller has been with Cisco for 21 years now, with engineering leadership roles in Sales and Engineering. Focal areas include Security, NMS/OSS, NFV and SDN.

Michael has over 30 years of experience in advanced technology development. He has held several leadership positions within Cisco, currently in the GSAT or Global Security Architecture Team, responsible for security architecture across Cisco.

Michael is a company leader for Security and Threat Defense. Michael leads the ATIS Cybersecurity efforts and is active in other standards and consortium groups. Michael is deeply involved in go to market and technical evolution of the Threat Defense and Security As A Service for Cloud Providers, Service Providers and Enterprise building on traditional and evolving architectures and controls such as SDN.

Prior to joining Cisco Michael designed and delivered the foundational technical systems for health care, education and public safety.

He holds a Masters of Science in MIS University and a Bachelor of Science in Mathematics.

Michael is a fourth-degree black belt in Tae Kwon Do and most enjoys the company of his Wife, Rebecca and two children, Sarah and Ben.


5G Security Innovation with Cisco

5 min read

We have been working with Service Providers and various colleagues across the world to develop the threat surface and use cases to properly apply 5G today and in applications coming.

November 1, 2016


The Growing DDoS Threat: How to Protect Your Business

2 min read

Cisco and its partners have a broad range of tools and services designed to help you “find and fix” and apply defense-in-depth strategies to overcome DDoS.