On the consulting side, Joshua is managing director of Core Economic Research and an Academic Associate with The Brattle Group. In the past, Joshua has worked with several established consulting firms including London Economics, Frontier Economics and Charles River Associates. He has also been retained by the Australian Competition and Consumer Commission and the Federal Trade Commission where he worked on expert testimony in several abuse of market power cases as well as on issues in telecommunications network competition. Overall his consulting experience covers energy (gas and electricity markets), telecommunications, financial services and banking, pharmaceuticals and rail transport.