Pearson plc (LSE: PSON; NYSE: PSO) is a Lonon-based media conglomerate. It is the largest book publisher in the UK, India, Australia and New Zealand, and the second largest in the US and Canada. In 2003 it had sales of £4,048m ($7,246m) and operating profits of £490m ($877m). Marjorie Scardino has been CEO since 1997. The headquarters for Pearson is at 80 Strand, the former Shell Mex House.