Baron Jean–Henri Hottinguer

His first destination was London, England, where he worked for Lloyd's and the English Stock Exchange.

He eventually returned to France to help his father with their banking business.

Names that appear on the founding document of this institution: Jacques Laffitte, governor of the Bank of France, Hottinguer, Benjamin Delessert and twenty directors from the “Compagnie Royale d’Assurances Maritimes”.

After this Benjamin Delessert and Banque Hottinguer & Cie found the Caisse d’Epargne the first savings bank for small investors.

In 1852 Jean-Henri helped to set up the Compagnie Générale des Eaux, it was at one time part of Vivendi and is currently known as VEOLIA, and the first French rail network.