Pfizer Inc and Pharmacia Corporation began operating as a unified company on April 16, 2003, forging one of the world's fastest-growing and most valuable companies. With a research and development budget of $7.1 billion in 2003, the new Pfizer is now the world's leading research-based pharmaceutical company. "Today we go forward as a single company, providing more products to help more patients than any other pharmaceutical company has ever done before," said Pfizer Chairman and Chief Executive Officer Hank McKinnell. "On any given day, we estimate that nearly 40 million people around the world are treated with a Pfizer medicine. Our new company is the global leader in discovering, developing and delivering innovative medicines and health care solutions essential to improving global public health and addressing unmet medical needs.