Pierre David-Weill
French businessman (1900-1975)

Pierre David-Weill (8 March 1900 – 14 January 1975) was a French investment banker.
Early life
Pierre Sylvain Désiré Gérard David-Weill was born on 8 March 1900 in Paris, France, into a Jewish family. His father, David David-Weill (1871-1952), was the chairman of Lazard Frères; his mother was Flora Raphaël.
Career
David-Weill became a partner in the Paris office of the family's bank in 1927, when its chairman was Raymond Philippe.
Along with Lazard Frères minority partner, André Meyer, Pierre David-Weill and his family fled the German occupation of France during World War II to the safety of the United States. There, he took charge of the firm's office in New York City, where he remained until the liberation of France by Allied Forces in 1944. On his return to Paris, he left André Meyer in charge of American operations, and along with Felix Rohatyn, they expanded the Lazard Frères business to make it a leading Euro-American investment bank.
Personal life
David-Weill married Berthe Haardt in 1932. They had a son, Michel David-Weill (born 1932), and a daughter, Eliane David-Weill (born 1935).
Death
Pierre David-Weill died in 1975.
This brief starts where responsible research should: with the source description of “Pierre David-Weill” as french businessman (1900-1975). Everything that follows is an evidence route, not borrowed authority.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 5, 2026. The linked authority identifier is Q3384642. VIAF identifies the subject as 66593254. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1900, 1975, 1871 and 1952.
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This entry incorporates text from “Pierre David-Weill” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.