On September 25, 2012, IBM announced that its board of directors had elected Virginia M. Rometty as Chairman, President and Chief Executive Officer of the company effective October 1, 2012. Mrs. Rometty succeeds Samuel J. Palmisano.
In outlining this transition at the "top of the business," the IBM announcement extended the lineage of leadership that began with its founding as the Computing-Tabulating-Recording Company (C-T-R) in 1911. In the century since, these stewards have grown IBM from a $4 million business to a $100 billion enterprise, with operations in 170 global markets around the world. In chronological order, IBM's former and current leaders are . .