Roy Stafford Johnson

OrganOx Ltd. develops a medical device for liver transplantation. The firm's product OrganOx metra, is a fully automated normothermic liver perfusion device for improved organ preservation. It also engages in research and development of transplantation related technologies. The company was founded by Peter Friend and Constantin Coussios in April 2008 and is headquartered in Oxford, the United Kingdom.

Lein Applied Diagnostics Ltd. develops and provides optical measurement and non-invasive diagnostics products. It offers Dione, a compact and source and detector module that can be used as a scanning or static device, allowing position and multi-layer thickness measurements with sub-micron precision and repeatability; ICon and ICon SL (Scanning Lens) are non-contact position and multi-layer thickness measurement systems that are designed to measure an array of different materials, and CTS2, a non-contact thickness measurement system designed to measure three dimensional (3D) engineered tissues and cells. The company was founded by Graeme Lawrence Clark and Daniel John Daly in May 2003 and is headquartered in Reading, the United Kingdom.

Micrima Ltd. develops radio-wave imaging technology for detecting breast cancer. It specializes in radar breast, medical and breast cancer imaging. The company was founded by Roy Stafford Johnson, Alan Preece and Ian Craddock in 2006 and is headquartered in Bristol, the United Kingdom.