About Simon Cassels
Lived 1928 – 2019 (aged 91). Simon Cassels was a naval officer.
Admiral Sir Simon Alastair Cassillis Cassels, (5 March 1928 – 6 March 2019) was a senior Royal Navy officer who served as Second Sea Lord and Chief of Naval Personnel from 1982 to 1986.
Naval career Cassels joined the Royal Navy in 1947. He was Navigation Staff Officer to Chief of the Polaris Executive from 1963 to 1966, and went on to command in 1972.
Cassels became Assistant Chief of the Naval Staff (Operational Requirements) in 1978, and was promoted to vice-admiral on 18 November 1980. He was appointed Flag Officer, Plymouth and Admiral Superintendent at Devonport in 1981, and Second Sea Lord and Chief of Naval Personnel as well as President of the Royal Naval College, Greenwich in 1982. Promoted full admiral in November 1984, he retired in 1986. He lived at Exton in Hampshire.
Cassels died on 6 March 2019, aged 91.
Family Cassels was married to Jill.
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Frequently asked questions
Who was Simon Cassels?
Royal Navy admiral (1928-2019)
When was Simon Cassels born?
Simon Cassels was born on 5 March 1928.
When did Simon Cassels die?
Simon Cassels died on 6 March 2019.
What was Simon Cassels's occupation?
Simon Cassels was a naval officer.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Simon Cassels. https://biography.guide/simon-cassels/
MLA: "Simon Cassels." Biography.guide, https://biography.guide/simon-cassels/.
Chicago: "Simon Cassels." Biography.guide. https://biography.guide/simon-cassels/.
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