David joined SEPA in 1996 as a Senior Chemist. He became South West Chemistry Unit Manager in 1999, Chemistry Services Manager in 2001, Head of Chemistry in 2004 and Chief Office for Science and Strategy in 2009. He was appointed Executive Director in March 2012.
His career has included posts with the Water Research Centre, University of Aberdeen and the Clyde River Purification Board.
David has a degree in Chemistry from the University of Aberdeen and a PhD in Environmental Chemistry from the University of Glasgow. He is a Chartered Chemist and a member of the Royal Society of Chemistry.