Jeffrey Macre is a cybersecurity expert with over 20 years of experience securing Operational Technology (OT) environments across critical infrastructure sectors, including Energy, Water, Oil/Gas, Transportation, Manufacturing, and the Defense Industrial Base. Leveraging his extensive knowledge of Industrial Control Systems (ICS), Jeffrey has led the design and implementation of advanced cybersecurity architectures across diverse OT environments, helping organizations meet evolving security demands.

Throughout his career, Jeffrey has provided high-level consulting to critical infrastructure organizations, guiding them in OT/ICS cybersecurity, risk management, governance, and compliance. His expertise spans SCADA and Distributed Control Systems (DCS) from leading vendors such as Rockwell, Emerson, General Electric, Honeywell, and Siemens, equipping him to drive impactful security initiatives that align with organizational goals and regulatory standards.

Jeffrey is also a recognized industry speaker, having presented at S4, CS4CA and ManuSec, some of the most prominent ICS cybersecurity conferences, where he shared insights on the integration of Artificial Intelligence (AI) within ICS environments.