<P> Other properties include 30 Park Place . Silverstein was also involved as a developer of the Ronald Reagan Building in Washington, D.C. . </P> <P> In November 2006, Silverstein agreed to buy the building at 99 Church Street from Moody's for $170 million . Moody's moved its headquarters into 7 World Trade Center in 2007 . 99 Church Street was promptly razed to make way for Silverstein's new project on the site . The 2008 plan proposed a 68 story, 912 foot tower, composed of condominiums and a Four Seasons Hotel on the lower 22 stories . However, due to lack of financing, the project was on hold until 2013, and completed in 2016 . </P> <P> In 1989 Silverstein proposed to members of the Israeli government that a free trade zone should be created within the Negev region of Israel . The project ultimately failed, however it enjoyed popular support amongst leading Israeli political figures . </P> <P> Silverstein has been involved in his alma mater, as founder and chairman emeritus of New York University's Real Estate Institute, and as a trustee of the New York University Medical Center and Health System . Silverstein also has served as chairman of the United Jewish Appeal in New York, the Realty Foundation, trustee of the Museum of Jewish Heritage, and treasurer of the National Jewish Medical and Research Center in Denver . Silverstein is also a governor of The Real Estate Board of New York . </P>

Who paid to rebuild the world trade center