• 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’

• 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.

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 blend offense and defensive cyber in one system and deep endpoint telemetry collection. o An industry-leading penetration testing platform.• Responsible for new product development within the division.• Responsible for cyber security strategy for the division.• Responsible for R&D in emerging technologies. • Managed threat intelligence generation and curation for all products and services of Appgate, Inc.• Responsible for multiple classified government program capture and delivery.

• 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 platform for advanced red-team projects. Introduced new features and defensive use-cases to successfully blend offense and defensive cyber in one system and deep endpoint telemetry collection.o An industry-leading penetration testing platform.• Responsible for new product development within the division.• Responsible for cyber security strategy for the division.• Responsible for R&D in emerging technologies. • Managed threat intelligence generation and curation for all products and services of Cyxtera Technologies.• Responsible for multiple classified government program capture and delivery.

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

• 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

• 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 traffic capture and analysis.• Co-authored and awarded patent in the area of Reconfigurable Virtualized Remote Computer Security System (#8931087).