Background
Sonnenberg, Ralph was born on May 15, 1934 in The Netherlands.
Sonnenberg, Ralph was born on May 15, 1934 in The Netherlands.
Bachelor, William's College, 1956.
Sales promoter Hunter Douglas, 1957, manager Switzerland, 1958, France, 1959-1961. General manager Hunter Douglas Europe, Holland, 1964-1967, executive officer Holland, 1967-1971. President, Chief Executive Officer Hunter Douglas N.V., Rotterdam, The Netherlands, since 1971.