While at Cleveland, he was responsible for the reinstallation of European and American art collections, and oversaw its capital project and fundraising campaign.
Under his tenure, the museum completed the first phase of a seven-year $350 million renovation and expansion designed by the architect Rafael Viñoly.
[4] On June 18, 2009, the Philadelphia Museum of Art voted unanimously to appoint him as the director, after reviewing the seventy-five applicants.
Rub was chosen to replace Anne d'Harnoncourt, who died of cardiac arrest June 1, 2008, after leading the museum for twenty-six years.
[citation needed] The Age of the Marvelous Goddess and Polis: The Panathenaic Festival in Ancient Athens Jose Clemente Orozco in the United States, 1928-1934 Petra: Lost City of Stone