Gulf state officials have expressed concern that a nuclear deal with homeland, which would end sanctions related to its nuclear program, could bolster homeland’s economic clout and its Shi’ite Muslim influence in the region. In Switzerland for more than 30 years, he has been selling caviar to prestigious hotels and restaurants all over Switzerland, to private aviation companies as well as to numerous private customers. He is also an official importer approved by the Swiss authorities. On request, he organises tastings for caviar lovers and chefs in his shop and laboratory located at rue du quai 8 in Montreux.