Dennis Barnes was appointed Chief Executive Officer in April 2011. Prior to joining Contact, he was General Manager Energy Risk Management at Origin, based in Sydney. Dennis started with Origin in 1998 and over that time has led sales, systems development, gas trading and generation operations departments. Dennis has guided Origin's significant and expanding operations in wholesale markets. Before that, Dennis worked in a number of positions operating in international energy markets, including managerial roles at Scottish and English electricity companies.