Christopher Day Email & Phone Number
Public Sector Chief Technology Officer @ Tenable
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Christopher Day Location
- Florida, United States
Christopher Day Work
- Public Sector Chief Technology Officer @ (August 2026 - Present)
- Vice President, Research @ (August 2024 - August 2026)
- Vice President, Strategic Capabilities and Programs, and Deputy Chief Technology Officer @ (November 2021 - August 2024)
- Vice President of Cognitive Cyber @ (September 2020 - November 2021)
- Chief Cybersecurity Officer @ (January 2020 - September 2020)
- Chief Cybersecurity Officer @ (May 2017 - January 2020)
- Chief Cybersecurity Officer @ (February 2017 - May 2017)
- Chief Information Security Officer @ Invincea, Inc. (Acquired by Sophos Q1 2017) (September 2016 - February 2017)
- Chief Technology Officer @ (July 2015 - September 2016)
- Principal and Founder @ Chymera Group, LLC (March 2013 - July 2015)
- SVP, Advanced Threat Intelligence and Mitigation Services @ (April 2011 - March 2013)
- SVP, Secure Information Services and Chief Security Architect @ Terremark Worldwide, Inc (Acquired by Verizon 04/2011) (December 2005 - April 2011)
Christopher Day Education
- University of Miami
Bachelor of Science - BS (Physics and Mathematics)
1990-1994 - Massachusetts Institute of Technology
Successfully Completed the Applied Data Science Program
2025
Christopher Day Skills
- Security Operations
- Cloud Computing
- Cyber
- Strategy
- Research
- Security Management
- Data Center
- Penetration Testing
- Intelligence
- Machine Learning
- Radio Frequency (RF)
- Leadership
- Data Analytics
- Active TS/SCI Clearance
- Cyber Threat Intelligence (CTI)
- Managed Security Services
- Internet of Things (IoT)
- Amateur Radio Operator
- General Packet Radio Service (GPRS)
- Radio Frequency (RF) Engineering
Christopher Day Summary
- Christopher Day, based in Florida, United States, is currently a Public Sector Chief Technology Officer at Tenable. Christopher Day brings experience from previous roles at Tenable, ManTech and Appgate. Christopher Day holds a 1990 - 1994 Bachelor of Science - BS in Physics and Mathematics @ University of Miami. With a robust skill set that includes Security Operations, Cloud Computing, Cyber, Strategy, Research and more. Christopher Day has 2 emails and 4 mobile phone numbers on RocketReach.
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