The world's top securities master Buffett visited the International Institute for Management Development (IMD) in Lausanne, Switzerland. Together with Paul Hunter, Director of the IMD Corporate Customer Center, Joachim, Director of the IMD Family Business Research Center, and Eitan, Chairman of Iscar Tools Company (Iscar), he shared his experiences of cooperation with the companies he has invested in, and made a unique interpretation of the management philosophy and development direction of family businesses.