Thor Steingraber Thor Steingraber is an American opera and theater director, and arts leader/manager. Steingraber has held three leadership positions at American performing arts centers: Kimmel Center in Philadelphia where he was Senior Vice President; the Los Angeles Music Center where he was Vice President of Programming; and the Valley Performing Arts Center (also known as the Soraya), located on the campus of California State University, Northridge, where he is currently the Executive Director. While in Philadelphia, Kimmel Center and The Philadelphia Orchestra underwent a period of protracted negotiations during the Orchestra’s bankruptcy proceedings. Steingraber was instrumental in leading the Kimmel Center’s response during this transitional period. In Los Angeles, Steingraber overs