David Marshall Sadleir (born 20 February 1936) is an Australian business consultant and former diplomat and ambassador, who was

Director-General of Security The director-general of security is the executive officer of the Australian Security Intelligence Organisation (ASIO), Australia's national security agency. The director-general, through ASIO, has overall responsibility for the protection of the ...

(head of the intelligence agency

ASIO ''Asio'' is a genus of typical owls, or true owls, in the family Strigidae. This group has representatives over most of the planet, and the short-eared owl is one of the most widespread of all bird species, breeding in Europe, Asia, North Ameri ...

) from 1992 to 1996.

Early life

Sadleir was born in

Dehradun Dehradun (), also known as Dehra Doon, is the winter capital and the List of cities in Uttarakhand by population, most populous city of the Indian state of Uttarakhand. It is the administrative headquarters of the eponymous Dehradun district, d ...

British India The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance in South Asia. Collectively, they have been called British India. In one form or another ...

. He settled in Australia in 1949, and attended

Scotch College, Perth Scotch College (informally known as Scotch or SC), is an Independent school, independent Uniting Church in Australia, Uniting Church Primary school, primary and Secondary school, secondary school for boys, located in the Perth suburb of Swanbo ...

and the

University of Western Australia University of Western Australia (UWA) is a public research university in the Australian state of Western Australia. The university's main campus is in Crawley, Western Australia, Crawley, a suburb in the City of Perth local government area. UW ...

where he graduated with a Bachelor of Arts with Honours.''Who's Who in Australia 2014'', ConnectWeb, 2013.

Diplomatic and intelligence career

Sadleir joined the Australian Department of External Affairs in 1958. He was an advisor to the Australian delegations to the

Inter-Parliamentary Union The Inter-Parliamentary Union (IPU; , UIP) is an international organization of national parliaments. Its primary purpose is to promote democratic governance, accountability, and cooperation among its members; other initiatives include advancing g ...

, and was posted in Tokyo and Washington DC as Assistant Secretary of the department's North Asia branch. From 1977 to 1981, he was Deputy Director-General of the

Office of National Assessments The Office of National Assessments (ONA) was an Australian statutory intelligence agency established by the ''Office of National Assessments Act 1977'' as an independent statutory body directly accountable to the Prime Minister of Australia a ...

, an intelligence agency reporting to the Prime Minister of Australia, under Director-General Robert Furlonger. He was a

Permanent Representative to the United Nations A permanent representative to the United Nations (sometimes called a "UN ambassador")"History of Ambassadors", United States Mission to the United Nations, March 2011, webpagUSUN-a. is the head of a country's diplomatic mission to the United Natio ...

and other international organisations in Geneva from 1981 to 1984. In 1988, Sadleir was Australian Ambassador to China for a three-year term until 1991, when he became Australian Ambassador to Belgium/Luxembourg and the

European Communities The European Communities (EC) were three international organizations that were governed by the same set of Institutions of the European Union, institutions. These were the European Coal and Steel Community (ECSC), the European Atomic Energy Co ...

. In 1992, Sadleir was appointed

, the head of the

Australian Security Intelligence Organisation The Australian Security Intelligence Organisation (ASIO ) is the Intelligence agency, domestic intelligence and national security agency of the Australian Government, responsible for protection from espionage, sabotage, acts of foreign inte ...

.Report to Parliament 1995-96
, Australian Security Intelligence Organisation, 2 December 1996.

Consultancy career

Since leaving ASIO in October 1996, Sadleir founded a business and security consultancy company called David Sadleir and Associates. In 1998, he conducted a review of Australia's entry control arrangements, in particular the Movement Alert List (MAL).Management of the Movement Alert List
, Australian National Audit Office, 2009.

Honours

Sadleir was made an Officer of the

Order of Australia The Order of Australia is an Australian honours and awards system, Australian honour that recognises Australian citizens and other persons for outstanding achievement and service. It was established on 14 February 1975 by Elizabeth II, Monarch ...

(AO) in the 1991 Australia Day Honours, for services to international relations.SADLEIR, David Marshall
''It's an Honour'', 26 January 1991.

References

{{DEFAULTSORT:Sadleir, David 1936 births Living people Ambassadors of Australia to China Ambassadors of Australia to Belgium Ambassadors of Australia to the European Union Permanent representatives of Australia to the United Nations Office in Geneva Directors-general of security Officers of the Order of Australia University of Western Australia alumni