Markus Mueller is a dedicated Operational Technology (OT) cybersecurity leader and practitioner with almost 25 years of experience helping organizations secure and improve their industrial environments. His career has been focused on manufacturing and utility space, including power generation, transmission, and distribution—including thermal, hydro, solar, and wind sources—as well as water, wastewater, and gas systems.
Markus specializes in developing resilient OT cybersecurity programs that adhere to industry best practices and regulatory standards, such as IEC 62443, NIST, and NERC CIP. He has led projects ranging from incident response and security assessments to enterprise OT program development, risk management, and threat intelligence.
In his current role as Field CISO for Nozomi Networks, Markus collaborates with strategic customers to ensure that our most critical infrastructure remains safe, reliable, and secure. He supports teams across the spectrum, from substations to the boardroom, on their OT journey.