Within Australia Mr Jacobson has been responsible for initiating a number of petroleum discoveries within the Cooper Basin, Barrow Sub Basin and Timor Sea. In 1986, Ted established the consulting company Exploration Study Projects Pty Ltd which advised companies on new venture opportunities in Australia and South East Asia and assisted in capital raisings and corporate activity. In 1991 Mr Jacobson was co-founder of Discovery Petroleum NL and from 1996 co-founder and technical director of Tap Oil Ltd which grew to a market capitalisation of over $400 million under his technical leadership. Mr Jacobson retired from Tap in September 2005. Mr Jacobson was also a director of Smart Rich Energy Finance (Holdings) Ltd (from January 2007 to November 2007), listed on the Hong Kong Stock Exchange. Mr Jacobson retired as Chief Executive officer on 30 June 2011.