His company, Shorenstein Properties, owned 130 buildings totaling at least 28,000,000 square feet (2,600,000 m2) of office space at the time of his death.
[6] He worked as a commercial real estate broker, becoming a partner at Milton Meyer and Co., a firm he bought in 1960 upon its founder's death and renamed after himself.
[2][1] In 1993, Shorenstein helped an investor group purchase the San Francisco Giants baseball team thus preventing the franchise from moving to Florida.
[6] In 1994, President Bill Clinton appointed him as a member of the Board of Directors of the Corporation for National and Community Service, a position he filled until 2007.
She met her husband while working as a volunteer ambulance driver at Travis Air Force Base, where Shorenstein was stationed during World War II.