Prior to his founding of Operational Sustainability, David worked for PricewaterhouseCoopers, SAIC, and Rolls Royce. He has more than 25 years of experience working with clients, primarily in the energy, chemical, mining, and utility industries, on environmental health and safety (EH&S), process safety, operational excellence, maintenance management, reliability, and IT solutions. David is a frequent speaker at industry forums on the topics of EH&S management information systems, process safety management, asset integrity and reliability, and operational risk management. He has published numerous articles on operational excellence and is active in the oil & gas and petrochemical community with organizations including API, AFPM, and CCPS.