About Kristian Siem
Born 1949. Kristian Siem is a Norwegian businessperson.
Kristian Siem (born February 7, 1949) is a Norwegian businessman. He is chairman of Subsea 7 and Siem Industries, a formerly-listed company with ownership interests in the oil and gas industry and shipping.
Life and career He worked for Fred Olsen's shipping company until 1978, when he bought a cheap oil rig, which today has the name Borgsten Dolphin.
Siem was the chairman and main shareholder of the Norwegian Cruise Line. In 2009, his fleet adopted the Norwegian flag.
In 2011, the King of Norway awarded Siem the Royal Norwegian Order of St. Olav for his service to business.
He is the son of industrialist Martin Siem (1915-1996) and Inger Aagard (1916-2012). His siblings include brother, Ole Martin Siem (born 1956), a financier.
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Important facts
People in Kristian Siem's life
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Contemporaries
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Frequently asked questions
Who is Kristian Siem?
Norwegian businessperson
When was Kristian Siem born?
Kristian Siem was born on 7 February 1949.
What is Kristian Siem's occupation?
Kristian Siem is a businessperson.
What nationality is Kristian Siem?
Kristian Siem is Norwegian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Kristian Siem. https://biography.guide/kristian-siem/
MLA: "Kristian Siem." Biography.guide, https://biography.guide/kristian-siem/.
Chicago: "Kristian Siem." Biography.guide. https://biography.guide/kristian-siem/.
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