26 years at the Atomic Energy Authority. In 1995 I took up a post in an engineering company in Gloucester, working on surface coatings. I became the Research and Development Director and retired after 16 years in 2011. I continued with consultancy work, including companies in the power generation industry. My degree is in physics, at Birmingham.

I speak on 16 varied subjects, including Climate Change, Energy, Population (A bomb?), Water (Elixir of life), Money (How does it all work?), Dreams (Own theory), Ordnance Survey, ET (Will we ever shake his hand?), Robotics, Waste, Apocalypse (what will wipe us out first?), Jesus (the real man), Lies and Damn Lies (A humorous take on statistics, 'Balls' - a look at how different sports balls behave.