Dennis Grub

Senior Security Consultant , Australian Capital Territory

Dennis is a security professional with more than 19 years of experience delivering protective security, risk management, and physical security solutions across government, law enforcement, and critical infrastructure sectors. Throughout his career, he has worked for and advised agencies including the Australian Federal Police, Department of Defence, Department of Home Affairs, and the Australian Electoral Commission. His expertise spans security risk assessments, security construction, zone certification, policy development, operational security planning, and training, with a particular passion for delivering practical security outcomes in complex and highly regulated environments.

Known for his collaborative and approachable style, Dennis thrives on solving challenging security and construction problems while balancing operational requirements, stakeholder needs, and government standards. He enjoys working closely with clients and project teams to identify innovative approaches that achieve security objectives without compromising functionality. A strong advocate for knowledge sharing, he takes pride in helping organisations understand how security can effectively support operations, manage risk, and enhance resilience.

Dennis is excited by the opportunity to contribute to nation-shaping initiatives, bringing his expertise in government security and construction to some of Australia’s most significant programs. Outside of work, he has a lifelong passion for sport, having played baseball internationally as a young man and remaining actively involved in community baseball, AFL, and cricket clubs.

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