Derek is currently doing industry consulting services through his company JD GEOconsultancy since 2014. Previously he was heading GETECH (Geophysical Exploration Technology), a division of the University of Leeds Industrial Services Ltd. a wholly University owned company to provide the oil and mineral industries with continental gravity and aeromagnetic database products for enhancing their exploration activities. Derek has provided consulting and training support for various oil and gas companies including Colombia SGC, Noble, Petronas, Public (Getech), Saudi Aramco, Sonangol, Sudan Petroleum Ministry, and Talisman.
Derek has delivered various training both for the industry and the academe. He is a specialist in the use of gravity and magnetic methods in oil and mineral exploration and between 1972 and 2013 taught exploration gravity and magnetics methods to MSc students, University of Leeds. He has recently completed the development of an in-house training course for Saudi Aramco and provides in-house
training courses in ‘Advances in gravity and magnetics processing and interpretation’ for structural mapping within the oil industry.