David Lindsley is a well-known consultant, providing engineering services to power and water companies worldwide. In a forty-year career as a systems engineer and later Director of Engineering for Bailey Meters and Controls he worked on projects in China, Japan, India, Africa, Europe and the USA. He is a Fellow of the IET and has an Honorary Fellowship at Kingston University. John Grist was a control and instrumentation expert at Doosan Babcock. He spent over 20 years with Doosan Babcock working on 600MW coal-fired boilers in China. He oversaw technology transfer of Benson control technology to Harbin Boiler Company and Doosan Heavy Industries. Prior to that, he worked for Bailey Meters and Controls, spent seven years with WS Atkins. Don Parker is Principal Engineer at Provecta Process Automation Pty Ltd. in Australia. He has worked as a professional in power plant control systems engineering for over 35 years, and has provided specialist control engineering services to power generators throughout Australia, New Zealand and Asia, and in the UK and the USA. Don is currently the President of the US branch, Provecta Process Automation LLC, based in Chicago.