David Crouch has a specialist background in Chemical, Biological, Radiological and Nuclear (CBRN) remediation processes and technologies, having worked with numerous international agencies, academia and the private sector. He has worked in Europe, North America, the Far East, Middle East and Asia Pacific on CBRN remediation programs and delivered training to various international agencies on CBRN related issues. Ranging from anthrax remediation operations in Turkey to Nuclear decommissioning programs in the United Kingdom and United States. He is currently the technical director for science-based consulting company, United CBRN Limited.