A LEADING executive and high-tech specialist is leaving a senior position in the US for one of the region's cutting edge companies.

Ian Radley is relocating from Albany, New York's capital, to lead operations for Durham Scientific Crystals, based in Netpark, near Sedgefield, County Durham.

The 50-year-old, who graduated in physics and chemistry at Durham University, was director of advanced product development for X-Ray Optical Systems Inc (XOS).

XOS is the leading manufacturer of x-ray optics, used by every analytical instrumentation company in the world, and Mr Radley led the growth of the company's instrumentation products, which now account for 85 per cent of its revenue.

Durham Scientific Crystals has appointed him technical operations director, responsible for operational aspects of product and technology development and day-to-day running of the plant.

The company produces semi-conductor materials, which are revolutionising digital x-ray technology.