David also serves as Managing Director of Bioscience Business Resources Ltd, a specialist consultancy which he established in 2007 to meet a growing demand from companies based outside the EU for help establishing routes to European markets for health technologies, particularly markets for in vitro diagnostic products. Additionally as Diagnostics Business Adviser for South East Health Technologies Alliance (SEHTA) he supports the commercial development of IVD businesses based mainly in the vibrant health technologies cluster in the south east of England.

Previously, David has held senior commercial roles at Genzyme Corporation, in both Genzyme Diagnostics and Genzyme Molecular Oncology business units, and most recently was Business Development Director for Genzyme Diagnostics (now Sekisui Diagnostics). In this role he was responsible for the identification, screening and commercial evaluation of new products, platform technologies and businesses for acquisition. He has been an Innovation Advisor with the publically funded Innovation Advisory Service, managed by Oxford Innovation Ltd, and a non-executive director and founding member of the South East Health Technologies Alliance (SEHTA).