About Ralph Sonnenberg
Born 1934. Ralph Sonnenberg is a businessperson.
Ralph Sonnenberg (born May 1934), is a Dutch billionaire, and former CEO of the Netherlands-based Hunter Douglas Group.
Hunter Douglas was founded 1919. by his father, who was Jewish and fled Germany in the early 1930s, He owned at least 80% of Hunter Douglas.
Sonnenberg is married with three children, and lives in Meggen, Switzerland.
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Important facts
People in Ralph Sonnenberg's life
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Contemporaries
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Frequently asked questions
Who is Ralph Sonnenberg?
Dutch businessman
When was Ralph Sonnenberg born?
Ralph Sonnenberg was born in 1934.
What is Ralph Sonnenberg's occupation?
Ralph Sonnenberg is a businessperson.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Ralph Sonnenberg. https://biography.guide/ralph-sonnenberg/
MLA: "Ralph Sonnenberg." Biography.guide, https://biography.guide/ralph-sonnenberg/.
Chicago: "Ralph Sonnenberg." Biography.guide. https://biography.guide/ralph-sonnenberg/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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