About John Syz
Lived 1859 – 1939 (aged 80). John Syz was a Swiss politician.
John Syz (23 March 1859 – 27 March 1939) was an American-born Swiss businessman, association functionary and politician who most notably served on the National Council (Switzerland) for The Liberals from 1917 to 1919. He previously served on the Cantonal Council of Zürich from 1909 to 1917.
Through his business activity, as the proprietor of cotton weaving mills, Syz became a negotiator of international trade deals with Woodrow Wilson in 1917 regarding the export of copper, cotton, grain and other commodities, for Switzerland. He later also presided the Zurich Chamber of Commerce and served on several company boards.
Early life and education Syz was born 23 March 1859 in Brooklyn, New York, the fourth of six children, to Johannes Syz (1822–1883), a merchant and consul, and Anna Syz (née Landis). His father hailed from the well established Syz family originally from the Freiamt of Affoltern (presently Affoltern District).
In 1861, the family returned to Switzerland, where his father purchased the Haus zum Greifenstein, where he and his siblings were raised. He spent all his vacations with his grandparents in Richterswil on Lake Zurich. After completing the Matura, he studied at Ecole de Commerce in Lausanne, followed by a commercial apprenticeship at Cramer, Frey & Co. He then spent several years abroad in Paris, London and the United States.
Career In 1890, Syz became a partner in the Weberei Dietikon (cotton weaving mills), in Dietikon near Zurich. In 1900, he acquired the entire company, and gradually turned it into Syz & Co. He was active on several associations of the cotton industry, on a municipal, regional and even international level. In 1917, Syz served as a delegate and negotiator, to represent Switzerland in a trade negotiation with Woodrow Wilson.
Personal life In 1891, Syz was married to Susanna "Clara" Schindler, daughter of Caspar Schindler, a wealthy silk manufacturer and philanthropist, and Elise Escher. Her father also served as honorary consul of Austria-Hungary from 1872 to 1885. They had two daughters and one son;
Lilly Syz (1892–1983), married to Werner Sebes. Dr. med. Hans Caspar Syz (1894–1991), married Emily Burrow (1909–2002), they had two sons and a daughter. Hildegard "Hilde" Syz, married Max Tschudi. In 1935, Syz was among the wealthiest citizens of Switzerland, with an estimated taxable net worth of 10,629 million Swiss Francs (approximately $95 million in modern equivalency).
He died 27 March 1939 in Zurich, Switzerland aged 80.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
People in John Syz's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped John Syz's
Frequently asked questions
Who was John Syz?
Swiss politician (1859-1939)
When was John Syz born?
John Syz was born on 23 March 1859 in New York City.
When did John Syz die?
John Syz died on 27 March 1939 in Zurich.
What was John Syz's occupation?
John Syz was a politician.
What nationality was John Syz?
John Syz was Swiss.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John Syz. https://biography.guide/john-syz/
MLA: "John Syz." Biography.guide, https://biography.guide/john-syz/.
Chicago: "John Syz." Biography.guide. https://biography.guide/john-syz/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:18 UTC