Glaxo becomes seventh female-led FTSE 100 firm

British drugs giant GlaxoSmithKline on Tuesday promoted its consumer healthcare head Emma Walmsley to chief executive, a move which will make her the most powerful woman on the FTSE 100.

The 47-year-old, who succeeds outgoing boss Andrew Witty, will become the seventh female chief executive of a group currently listed on London's benchmark shares index.