Deputy Secretary Defence People

Justine Greig PSM

Deputy Secretary Defence People

Justine Greig was appointed to the role of Deputy Secretary Defence People in June 2018.  This appointment was on promotion from the role of First Assistant Secretary People Policy and Culture in the Department of Defence.

As Deputy Secretary Defence People, Justine is responsible for people strategy, policy development and service delivery to support the 100,000 strong integrated Australian Defence Force and Defence Australian Public Service workforce.  This includes leadership of Defence’s overarching culture, mental health and wellbeing strategies, development and implementation of the Defence Strategic Workforce Plan, and stewardship of Work Health and Safety across the enterprise.

In June 2023, Justine was awarded a Public Service Medal for outstanding service to Defence and in senior policy roles.

In July 2023, in implementing the Defence Strategic Review, Justine joined together with the Chief of Personnel responsible for the ADF people system, to form a diarchy in leading the Defence People Group and workforce reforms. Most recently Justine was appointed an Executive Sponsor of the South Australian Defence Industry Workforce and Skills Group. 

Justine is also a member of the whole of Government Chief Operating Officer Committee, a council member of the Institute of Public Administration Australia and is a member of the Australian Human Resource Institute Public Sector Panel. Justine has had a long term professional interest in organisational culture, leadership development and workplace inclusion.

Justine’s qualifications include a Bachelor of Arts (Hons Psychology, ANU), a Master of Science (Occupational Psychology, University of London) and a Master of Arts (Strategic Studies, Deakin University).