Dennis is the Chairman of the Federation and a Vice President of Comite Technique International de Prevention et d'Extinction du Feu [CTIF] where he is also Chairman of the CTIF Europe Committee. He has a long association with the fire and rescue service and fire engineering going back to 1965 and served as HM Chief Inspector of Fire Services for Scotland after being Chief Fire Officer of Cheshire. He is now an independent fire adviser working for a range of international clients.
A former international President of both the Institution of Fire Engineers, of which he was also Board Chairman for 18 years, and the UK Chief Fire Officers Association he helped found the EU chief fire officers group the Federation of European Union Fire Officers Association [FEU] and the US/UK Fire Symposium. He is a Director of the Fire Protection Association and Fire Conferences and Exhibitions Limited [FCEL]. A chartered fire engineer Dennis serves on both the Quality Assurance and International Panels of UK Engineering Council.