Stephen has conducted his own consultancy business since 2015, after completing almost 40 years of service with the Australian Government.
The major highlights of his consultancy work include the 2017 independent review of the Australian Intelligence Community conducted with Michael L’Estrange, and the 2019 review of the Defence intelligence capability undertaken with Major General (retired) Gus Gilmore. These two reviews have shaped the contemporary structure and organisation of the national intelligence community.
From 2015 to 2019, Stephen was a Director of the Data to Decisions Cooperative Research Centre, which was focused on developing the next generation of data analytics to support decision making in the national security sector.
During his career in government, Stephen held a variety of senior appointments in the Australian Intelligence Community and policy positions in the Defence portfolio. These included:
- a senior role in the Foreign Affairs portfolio from 2012 – 2015, during which he led the development of a proposal for significant investment in the organisation’s enabling technology;
- as Deputy Secretary in the Department of Defence from 2006 to 2011, overseeing the work of the three Defence Intelligence Agencies and the Defence Security Authority;
- leading the Defence Signals Directorate from 2002 to 2006;
- central roles on the 2000 and 1987 Defence White Papers, and the 1997 Strategic Review; and
- a senior analytical appointments in the intelligence community in the 1990s, in the Office of National Assessments and the Defence Intelligence Organisation.