Mark Sykes is head of science for Fapas Proficiency Testing and a principal scientist at Fera Science Ltd, UK. He joined Fera in 1997 as a specialist in pesticide and veterinary residue analysis by mass spectrometry and became the scientific advisor for Fapas in 2009. With degrees in chemistry and analytical chemistry from the University of York and the University of Huddersfield, he now leads efforts to ensure the scientific integrity of Fapas programs. Sykes has co-authored more than 30 peer-reviewed papers, is a member of the Royal Society of Chemistry, and represents Fapas internationally.