Mr Hackett has 33 years of experience as an Australian diplomat. For the last 13 years, his principal focus has been on expanding Australia's economic and political relationships with the counties of Latin America. He has served as Ambassador on three occasions; as Australia's first resident Ambassador in Afghanistan (2006-2008), as Ambassador to Brazil (2011-2014), and most recently as Ambassador to Argentina (2018-2023). In Mr Hackett's role as Ambassador to Argentina he accrued experience in promoting Australian interests, in Argentina's mining sector. Mr Hackett is regarded on both sides of politics in Argentina and, as the most recently returned Ambassador, he maintains a current and enviable list of contacts in Argentina.