Question: For which foundation is the 47th U.S. Vice President's chief of staff a former president?

<P0-S0> Bruce Reed (born March 16, 1960) is the former president of the Broad Foundation. <P0-S1>  Prior to assuming that role in December 2013, he served as Chief of Staff to U.S. Vice President Joe Biden and is a former CEO of the Democratic Leadership Council (DLC). <SEP> <P1-S0> The Office of the Vice President includes personnel who directly support or advise the Vice President of the United States. <P1-S1>  The Office is headed by the Chief of Staff to the Vice President of the United States, currently Nick Ayers. <P1-S2>  The Office also provides staffing and support to the Second Lady of the United States. <P1-S3>  It is primarily housed in the Eisenhower Executive Office Building, with offices for the Vice President also in the West Wing, the U.S. Capitol and in the Vice President's official residence. <SEP> <P2-S0> Joseph Robinette "Joe" Biden Jr. ( ; born November 20, 1942) is an American politician who was the 47th Vice President of the United States from 2009 to 2017. <P2-S1>  A member of the Democratic Party, he represented Delaware as a United States Senator from 1973 until becoming Vice President in 2009. <SEP> <P3-S0>  From 2011 to 2013 Mr. Nyce negotiated and helped close the sale of the East Allen Township Municipal Authority's assets to The City of Bethlehem and the Bath Borough Municipal Authority thereby ensuring high quality service of water and sewer for the future for all residents of East Allen Township. <P3-S1>  From 1979 to 1984 he served as a member and Chairman of the East Allen Township Municipal Authority and again from 2007 to 2013 as a member and Treasurer. <P3-S2>  While serving at Arlington, SSG Nyce participated in former President Dwight D. Eisenhower's funeral, President Nixon's Inauguration and Robert F. Kennedy's Funeral. <P3-S3>  During his three terms in the House of Representatives he served on several important committees: Education, Local Government, Fish and Game, Finance to name a few. <P3-S4>  He was a member of the Tax Executives Institute including Chairman of the State Tax Committee in the 1980s. <P3-S5>  In 1990, Mr. Nyce ran for and was elected State Representative for the 138th PA House District encompassing parts of Northampton and Monroe Counties. <P3-S6>  Having completed his basic training at Fort Knox, Kentucky and Advanced Individual Training at Fort Lewis, Washington he was assigned to the 1st Battalion, 3rd Infantry Unit, "The Old Guard" at Arlington National Cemetery where he served for about two and one half years attaining the rank of Staff Sergeant, E-6 before taking an early release to return to Moravian College in September 1969. <P3-S7>  In 1996 he ran for PA Auditor General in an unsuccessful bid to represent the people of PA as their financial watchdog. <P3-S8> Robert E. Nyce is a former Republican member of the Pennsylvania House of Representatives. <P3-S9>  Following the campaign, he was hired as the Executive Director of the Pennsylvania Independent Regulatory Review Commission (IRRC). <P3-S10>  During his private sector employment, Mr. Nyce was active in his community of East Allen Township. <P3-S11>  He also served on the Bethlehem Area Vocational Technical School Joint Operating Committee as member, Vice Chairman and Chairman. <P3-S12>  In 2005, Mr. Nyce retired from state government and now resides in Northampton County. <P3-S13>  In both capacities, he was responsible for normal business operations and participated in union contract negotiations with staff. <P3-S14>  The PA IRRC reviews all regulations promulgated in PA and provides citizens an opportunity to comment on and affect those regulations prior to their promulgation by the state agency that authored the regulation.