About Rudolf Ernst
Lived 1865 – 1956 (aged 90). Rudolf Ernst was a Swiss banker, entrepreneur and politician.
Dr. Rudolf Ernst (6 September 1865 – 15 March 1956) was a Swiss industrial, insurance and banking pioneer and lawyer who was a founding father of UBS Group AG. (formerly Union Bank of Switzerland.
He was the first CEO and chairman of the Board of Directors of the Union Bank of Switzerland, now UBS. Following his retirement, at age 77, he was elected Honorary Chairman of the Union Bank of Switzerland for life, but remained on the Board of Directors until 1953, when he retired at age 87.
Biography Rudolf Ernst was born in Winterhaur and joined the Bank in Winterthur in 1897, while he was active in several Swiss insurance and industrial companies, he also acted as the director of finances of the City of Winterthur from 1900 till 1916. In 1901, at the age of 35, he was elected as the chairman of the Board of Directors of the Bank in Winterthur
During his chairmanship, the bank changed its focus from its original lending business and began to expand its issuing and asset management franchise. With the acquisition of the Bank in Baden in 1906, the bank gained a branch at the Zurich Bahnhofstrasse and a seat on the stock exchange, one of the cornerstones for the successful merger in 1912 with the Toggenburger Bank to form Union Bank of Switzerland.
Ernst also held directorships on the boards of various industrial and insurance companies. Between 1912 and his retirement in 1941, he was chairman of the Board of Union Bank of Switzerland (now UBS), in an alternating capacity in 1916 and 1918, with Carl Emil Grob-Halter (d. 1921), and then held the chairmanship as the representative of the merged Toggenburger Bank.
Personal life Rudolf J.O. Ernst (now known as Rudy Ernst) is the grandson and only male descendant of Dr. Rudolf Ernst. He left Switzerland in 1982 with his wife Angelika and their two sons, Rudi and Patrick, to live in New York City.
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Important facts
Contemporaries
People whose lives overlapped Rudolf Ernst's
Frequently asked questions
Who was Rudolf Ernst?
Swiss banker (1865-1956)
When was Rudolf Ernst born?
Rudolf Ernst was born on 6 September 1865 in Winterthur.
When did Rudolf Ernst die?
Rudolf Ernst died on 15 March 1956.
What was Rudolf Ernst's occupation?
Rudolf Ernst was a banker, entrepreneur and politician.
What nationality was Rudolf Ernst?
Rudolf Ernst was Swiss.
Sources & further reading
· DBpedia: Rudolf Ernst (banker)
Cite this page
APA: Biography.guide. (2026). Rudolf Ernst. https://biography.guide/rudolf-ernst/
MLA: "Rudolf Ernst." Biography.guide, https://biography.guide/rudolf-ernst/.
Chicago: "Rudolf Ernst." Biography.guide. https://biography.guide/rudolf-ernst/.
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