During his time within the Police Fraud Squad, David was the Manager of one of only three UK National Police Fraud Management Course accredited by Teesside University Business School. Since Leaving the Police Service he has taught law subjects at Warwick University Law School and a wide range of Managerial Skills at Coventry City University Management School. He has both developed and taught academic programmes on MBA programmes at Magna Carta College, Oxford.

For the past sixteen years, he has travelled to many countries e.g., Nigeria, India, Sri Lanka, Ghana, Poland, Lithuania to deliver Government reform programmes covering Corporate Governance, Accountability, and the investigation of International Financial Crime. Since setting up his own company in 2006 ‘dg Anti-Fraud Consultants Ltd’ he has been commissioned to assist the Polish, Turkish and Lithuania Governments’ fight against organised crime.

He has presented trainings and delivered papers on Government reform strategies, Corporate Governance, Money Laundering, Organised Crime Issues, Corruption, VAT Fraud and run bespoke delegate inter-active workshops to the Polish Police, Customs Officers, Border Guards and Prosecution officials at different venues in Poland. This programme has gained European recognition and has been extended to cover Turkey and Lithuania.