Complex sentence: Dr. Rudolf Ernst (Sept.6,1865--March 15,1956) of Winterthur was a Swiss Industrial, Insurance, and Banking Pioneer and also the First CEO and Chairman of the Board of Directors of the Union Bank of Switzerland, now UBS.
Split into simpler sentences: Dr. Rudolf Ernst (Sept.6,1865--March 15,1956) of Winterthur was a Swiss Industrial, Insurance, and Banking Pioneer. He was also the first CEO and Chairman of the Board of Directors of the Union Bank of Switzerland, now UBS.