But guests at the dinner in the White House were both Peter Wallenberg Sr. and P.G. Gyllenhammar. Ingvar Carlsson said much later that he did not know how they had got on the guest list. In 1993, George Bush Sr. was on an unofficial visit to Sweden to meet Peter Wallenberg at his Brevik estate at Värmdö in Stockholm. Peter Wallenberg Sr. stepped down from leadership of Investor in 1997. In 1998, it was reported in media that, George Soros was on a secretive visit to Stockholm and the Wallenberg-owned Stockholm School of Economics to meet representatives of the Wallenberg family. Soros' Quantum Group of Funds had give-up accounts at Skandinaviska Enskilda Banken. The Wallenbergs were the main backers of George Soros' Quantum Group of Funds. In October 1999, Alibaba received millions of investment from Swedish Wallenberg family's Investor AB. In 1999, Wallenbergs Investor AB owned 6% of the shares. Joseph Tsai, co-founder and chairman of Alibaba Group, worked for the Wallenbergs at Investor AB. The Wallenberg CEO, Börje Ekholm sits on the board of Alibaba Group. The Wallenberg-owned ABB supplied North Korea with two nuclear power plants in the early 2000s. Weapons experts warned that the waste material from the two reactors could be used for so-called "dirty bombs". Donald Rumsfeld was on the ABB board when the deal was won in 2000. Early 21st century — 5th generation Wallenbergs In 2006, the fifth generation took over the Wallenberg sphere. Marcus Wallenberg, son of Marc Wallenberg, Jacob Wallenberg and Peter Wallenberg Jr. sons of Peter Wallenberg Sr. In May 2006, Wallenbergs' bank SEB arranged a meeting in Stockholm together with World Economic Forum where experts and policymakers discussed the financial instabilities and the reformation of IMF and World Bank. The hosts were President Marcus Wallenberg and CEO Annika Falkengren. In August, 2013, people from companies such as Academedia, EQT and Aleris in the Wallenberg sphere, and the top eschelon of the Swedish Trade Union Confederation had a secret meeting at Kommunal's course center in Marholmen to reach an agreement regarding profits in welfare. In 2016, Jacob Wallenberg was one of the guests at the Nordic state dinner at the White House. In March 2018, Jacob Wallenberg and Marcus Wallenberg, along with Swedish Prime Minister Stefan Löfven, Mikael Damberg, and CEOs of the Wallenberg sphere, Börje Ekholm of Ericsson, Håkan Buskhe of SAAB, Pascal Soriot of Astra Zeneca visited President