Jack Rosen is a famous American social activist, and he used to be the member of U.S. Senate Budget Committee, the member of U.S. Foreign Relations Committee, and participated in important international meetings as the member of US delegation, meanwhile he also is the director of Israel Humanitarian Foundation, the member of US Commission for the Preservation of American Heritage Abroad, etc. Mr. Rosen has served as Chairman of the World Jewish Congress, Chairman of the American Jewish Congress, and other positions. He keeps in close contact with many political leaders in the world and has come to know the political leaders of numerous countries. Mr. Rosen has recently been listed by The Forward as one of “the most influential Jews in the United States”. He has deep friendship and close cooperation with many US presidents, such as Bill Clinton, George W Bush and Barack Obama. Mr. Rosen is also a successful business leader. After graduating from City University of New York with a Bachelor's degree in Mathematics, He started his career in business. He has achieved tremendous success in many industries in Europe and America, such as real estate, telecommunication, health care, and cosmetics. He has undertaken many key positions as President and CEO in different industries and Chairman for many international companies.