Owen-Jones earned a Bachelor of Economics, and a Diploma of International Law, from the Australian National University in 1987 and 1988, respectively.
From 1999 to 2001, she was First Secretary at the Australian Embassy in Paris, and was a ministerial speechwriter for the Minister for Foreign Affairs, Alexander Downer and then Stephen Smith, from 2006 to 2008.
[1] In June 2017, Owen-Jones was appointed as the first resident Australian Ambassador to Morocco, tasked with establishing the new embassy.
[2][3][4][5] Serving as ambassador until October 2020, Owen-Jones was awarded the rank of Commander of the Order of Ouissam Alaouite by King Mohammed VI of Morocco, being presented with the award by the Moroccan ambassador to Australia, Karim Medrek, on 22 February 2021.
[6][7] On 6 July 2022, she was appointed Australian High Commissioner to Ghana, with non-resident accreditation for Burkina Faso, Cote d’Ivoire, Guinea, Liberia, Mali, Senegal, Sierra Leone, and Togo.