Bert Ruiter (born 26 November 1946 – 14 March 2022)^[1] was a Dutch bass guitarist, record producer, and composer. He was best known for being the bassist for Focus from 1971 to 1978.

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Bert Ruiter
Focus (1974); Bert Ruiter
Background information
Born	(1946-11-26)26 November 1946 Amsterdam, Netherlands
Died	14 February 2022(2022-02-14) (aged 75) Netherlands
Instruments	bass guitar, vocals
Years active	1960s-2022
Formerly of	Focus, Earth and Fire
Spouse(s)	Jerney Kaagman

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Ruiter was also the bassist for Earth and Fire from 1978 to 1990, later marrying the groups lead vocalist Jerney Kaagman. They were married for over three decades, up until Bert's death from cancer in 2022.

Albertus Clemens Ruiter was born in Amsterdam and grew up in Hilversum.^[2] When he was twelve he started playing guitar by ear; later he switched to bass guitar.^[3]

In 1966 he began his career by replacing Dick Ankersmit as bass guitarist for The Caps, with singer Hans van Hemert and guitarist Roy Beltman. Afterwards, he played in the groups Fullhouse and the Jay-Jays.^{[citation needed]}

In September 1971 he replaced Cyril Havermans as the bass guitarist in Focus.^[4] He remained with Focus until the group dissolved in 1978. He then joined Earth and Fire,^[5] the group in which Jerney Kaagman sang (Bert partnered with Kaagman in 1974). Ruiter played bass on the most Earth and Fire albums. The two later left Earth and Fire, and Ruiter worked with Kaagman on her solo albums, gradually assuming more of a role as producer and arranger.

From 1987 to 1990, he was in a new version of Earth and Fire with Kaagman.

In 1999 Ruiter rejoined Thijs van Leer and drummer Hans Cleuver with guitarist Menno Gootjes, for a new incarnation of Focus, but internal wrangling split the group after only a few live dates in the Netherlands.

For over three decades, Bert was married to Jerney Kaagman.^[6] Ruiter died on 14 March 2022, aged 75.^[7] She retired from singing in 2012 after announcing her diagnosis of Parkinson's disease. His cause of death was revealed as esophageal cancer.

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