Christopher Day Email & Phone Number

Columbia, MD, US

• Responsible for research and development to produce additional solutions for cyber exposure in emerging technology areas.
• Responsible for research and development to expand innovative use cases for Tenable products and intellectual property.
• Chair the Tenable AI Governance Board.
• Support Federal teams and strategy development.
• Served as a working group co-chair for the President’s National Security Telecommunications Advisory Committee (NSTAC) 2023 subcommittee on ‘Measuring and Incentivizing the Adoption of Cybersecurity Best Practices’

Herndon, Virginia, US

• Technical Focus Area Lead for Cyber.
• Responsible for research and development portfolio in next generation cybersecurity solutions.
• Responsible for research and development efforts involving emerging technologies such as 5G, the Internet of Things, and edge computing and their impacts on cybersecurity.
• Responsible for cybersecurity strategy.

Coral Gables, Florida, US

• Appgate, Inc. was spun out of Cyxtera Technologies, Inc. 01/2020
• Responsible for the IMMUNITY P&L (offensive security and advanced threat hunting).
• Managed a total headcount exceeding 50 developers, engineers, researchers and consultants internationally.
• Responsible for roadmap development and oversight for two software product lines: o A nation-state grade implant platform for advanced red-team projects. Introduced new features and defensive use-cases to successfully.
• Responsible for new product development within the division.
• Responsible for cyber security strategy for the division.

Coral Gables, FL, US

• Responsible for the Threat Management and Analytics P&L with a top-line annual recurring revenue exceeding $25m for 2019.
• Managed a total headcount exceeding 150 developers, engineers, researchers and consultants internationally.
• Responsible for roadmap development and oversight for three software product lines:o An advanced machine-learning-based analytics and visualization platform for unstructured data sets.o A nation-state grade implant.
• Responsible for new product development within the division.
• Responsible for cyber security strategy for the division.
• Responsible for R&D in emerging technologies.

Coral Gables, Florida, US

• Recruited to develop the cyber security product and services strategy in preparation for the launch of Cyxtera Technologies on May 1, 2017.

Fairfax, VA, US

• Recruited to help prepare company for sale. Successful sale to Sophos, LTD in Q1 2017.
• Managed and expanded the threat intelligence and analytics team utilizing telemetry from advanced, machine-learning based endpoint protection product

Virginia Beach, Virginia, US

• Oversaw development of an analytics suite for a large, distributed Elasticsearch-based dataset (over 8 Petabytes).
• Oversaw development of innovative analytics system for large-scale Domain Name Service (DNS) threat intelligence and alerting system.
• Responsible for multiple classified government program capture and delivery.

• Multiple classified government program support in areas of large data analytics and cyber security.
• DARPA Performer in areas of machine learning and cyber security threat detection and mitigation.

• Built and managed a successful professional and managed security services practice from the ground up.
• Designed, implemented and oversaw a 24x7 Security Operations Centers (SOCs) and a Threat Hunting Center.
• Oversaw multiple high-profile cyber incident responses for external customers including the 2008 Obama campaign.
• Managed multiple classified government programs.
• After sale of company to Verizon in 2011, was responsible for leading the Advanced Threat Intelligence and Mitigation Services team in both the commercial and government sectors.
• Oversaw an advanced cyber security research and development team that produced an industry leading memory (RAM) forensics and analysis capability as well as innovative deployments of large-scale full packet network.