Derrick attended the universities of East Anglia, Birmingham and London and is an Educational Consultant. He specialises in American History and is currently writing books on 20th Century America and US Race Relations. Formerly editor and contributor of the 'Modern History Review' he has extensive knowledge and experience of educational assessment. He has been Principal Examiner for GCE A level History at AQA, OCR and Cambridge University International Examinations. He has also been involved with assessment at Key Stage 3 and GCSE with AQA and a senior examiner with the International Baccalaureate. He has written specifications and syllabuses for examination boards within the UK but also for Hong Kong, Singapore and South Africa.
His main pastime is extreme biking such as cycling to Mt Everest Base Camp.