Dennis has over three decades of experience in the Fire, Emergency, and Security Systems (FESS) sector, having previously served in the British Army. His extensive experience encompasses surveys, risk assessment, management, solution design, component installation and commissioning, installer training and education, distribution, and product development. His background includes working on a diverse range of applications across the United Kingdom and internationally. These applications encompass complex integrated multi-disciplinary sites, high-value assets such as bonds, currencies, precious metals, and gems, military installations (both in the United Kingdom and the United States), and VIP/High Net Worth Individuals (HNWIs)/luxury estates. Since then, Dennis has been appointed as a Director of the ASC, assuming the responsibility and role of Academic Engagement and Professional Development for the association.