G'Day USA | 1,232 followers on LinkedIn. Australia’s premier public & economic diplomacy program in the United States. | G’Day USA is Australia’s premier public, economic and cultural diplomacy program in the United States. It brings together leaders from government, business, the creative industries and academia to deepen the Australia-US relationship and showcase Australia’s creative, innovative economy and society to the United States. Over the past 16 years, G’Day USA has grown into a year-long program of events with unparalleled reach and an outstanding record for delivering outcomes for partners and sponsors.