Ingvar Kamprad ongoing for some years." Mathias and his two older brothers, who also have leadership roles at IKEA, work on the corporation's overall vision and long-term strategy. The Dutch-registered Stichting INGKA Foundation is named after Ingvar Kamprad (i.e., ING + KA) which owns INGKA Holding, the parent company for all IKEA stores. In May 2006 the charitable foundation was reported by "The Economist" to be the world's wealthiest charity, however the Bill & Melinda Gates Foundation has since become larger. Despite its large endowment its primary purpose is corporate tax-minimisation and anti-takeover protection for IKEA. Kamprad was chairman of the foundation.
Ingvar runestones castle and could be read in its entirety. The inscription says that it is raised in memory of Haraldr, the brother of Ingvar, and he is believed to have died in the region of the Caspian Sea. A subject that has been vividly discussed is why the runestone is raised only after Haraldr and not after Ingvar, and the most widely accepted explanation is that Tóla was only Harald's mother and that the two men were only half-brothers. It is also possible that there were originally two stones of which one was in memory of Ingvar, but that Ingvar's stone