Following his PhD at the University of York in synthetic organic chemistry, Derek worked as a Development Chemist at CPL Aromas and ChiRex before becoming a Research Manager at Contrachem. In these roles, Derek gained valuable experience in the development for scale up for pilot and full-scale plant production in both the flavour and fragrance, and pharmaceutical arenas. Derek joined Onyx in 2001 as a Development Chemist before becoming a Laboratory Manager in 2002, Head of Chemistry in 2003 then R&D Director in 2005. In his role as R&D Director, Derek has overall responsibility for all development and manufacturing areas within Onyx.