PwC (officially PricewaterhouseCoopers) is a global professional services firm headquartered in London, United Kingdom. It is the world's largest professional services firm and one of the "Big Four" accountancy firms. PwC has offices in 757 cities across 154 countries and employs over 175,000 people. It had total revenues of $26.6 billion in 2010, of which $13 billion was generated by its Assurance practice, $7 billion by its Tax practice and $6 billion by its Advisory practice. The firm was formed in 1998 by a merger between Coopers & Lybrand and Price Waterhouse. The trading name was shortened to PwC in September 2010 as part of a major rebranding exercise.
The San Francisco Symphony (SFS) is an orchestra based in San Francisco. Since 1980, the orchestra has performed at the Louise M. Davies Symphony Hall. The San Francisco Symphony Youth Orchestra and the San Francisco Symphony Chorus are part of the organization. Its current music director is Michael Tilson Thomas, who has held the position since September 1995.