Dr Grassie has worked on rail corrugation as an academic, consultant and in industry for over 40 years. He has undertaken consultancy in several areas of vehicle/track interaction, including rail corrugation, rail defects such as RCF and studs, wheel/rail noise and reprofiling. His work, including review papers on corrugation with Dr Joe Kalousek in 1993 and a sequel in 2009, is widely referenced in the field. Dr Grassie also wrote a general review on railhead damage for a supplier in the railway industry.
Maurice Verheijen has more than 20 years’ experience in operation, quality control and maintenance of rail reprofiling equipment. He has been instrumental in the development and practical implementation of innovative rail reprofiling technologies and novel measuring equipment.