 Hans began his career as an apprentice with a highly influential international pearl exporting company.The valuable experience Hans gained played a crucial role in all of his future dealings.In 1900 Hans began his career in Swiss watchmaking when he moved to La Chaux-de-Fonds to work as an English correspondent and clerk with the influential watch firm of Messrs. Cuno Korten, ru Leoppold Robert, where he was paid a salary of 80 Swiss Francs.