Ralph Sonnenberg

Ralph Sonnenberg (born May 1934), is a Dutch billionaire, and former CEO of the Netherlands-based Hunter Douglas Group.

Hunter Douglas was founded by his father, who was Jewish and fled Germany in the early 1930s, in 1919. He owned at least 80% of Hunter Douglas.

Sonnenberg is married with three children, and lives in Meggen, Switzerland. His sons David and Marko work for the company, both holding the role of Executive Chairman and Senior Advisor, respectively.