In 1993, Shorenstein established the Gorbachev Foundation in San Francisco with former Soviet Premier Mikhail Gorbachev.
In 1960 he bought out the company, renaming it Shorenstein Company, and became its sole owner.
The big increase in value comes after the Shorenstein family overhauled one of the buildings, 188 Spear St.
The list of 2010 decedents includes six billionaires: John Kluge, Walter Shorenstein, Paul Milstein, Dan Duncan, George Steinbrenner, and Mary Janet Cargill.
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His son Douglas is chairman and chief executive of The Shorenstein Company.
Shorenstein also credited his training in the army for teaching him discipline, time management and how to make the best use of sparse resources.
The survey was based on 40, 000 interviews conducted over the past eight months by the Joan Shorenstein Center on the Press, Politics and Public Policy.
Before Shorenstein began his career in real estate, he dropped out of University of Pennsylvania to serve for the Army Air Corps in World War II.
Besides founding the eponymous Shorenstein Company, which controls over 30 million square feet of office projects throughout the country, Shorenstein had long been active in civic circles.
In 1967 Shorenstein was selected by President Johnson as an adviser to the U.S. Delegation to the United Nations Economic Commission for Asia and the Far East, Bangkok, Thailand.
Shorenstein was also a member of the official United States Delegation for the peace talks with Israeli Prime Minister Menachem Begin and Egyptian President Anwar Sadat in July of 1978.
Walter Shorenstein, founder of a prominent California real estate firm, adviser to three U.S. presidents and devoted education supporter, died at his home in San Francisco on Thursday of natural causes.
Answering that question in the negative, he notes, is Tara McKelvey, a correspondent for What's Left of Newsweek, in a 27-page report for the Joan Shorenstein Center on the Press, Politics and Public Policy.
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