Werner Zerweck (14 March 1899 in Munich – 10 September 1965[1]) was a German chemist, inventor and industrial leader, who was CEO of the chemical and pharmaceutical company Cassella (later merged with Sanofi) from 1953 to 1963.
[3] He studied chemistry at the Technical University of Munich under the Nobel Prize-winning chemists Heinrich Otto Wieland and Hans Fischer, and obtained his doctorate in 1922 with Fischer as his doctoral advisor.
He received power of procuration in 1936 and became deputy head of the Cassella works in 1939.
He was vice chairman of the board of directors (i.e. deputy CEO) from 1947 and chairman of the board of directors (i.e. CEO) of Cassella from 1953, and simultaneously continued to head its research activities.
He was the (co-)inventor of numerous chemical and pharmaceutical patents.