Women remain rare visitors to the highest echelons of European banks.

The 25 biggest banks by assets have seen 22 changes in chief executive and chair over the past two years, including announcements of upcoming appointments, according to a Reuters review of senior industry roles. Twenty-one of those 22 jobs went to men.

Only one lender — Britain's NatWest — has a female CEO, while two — Spain's Santander and the Netherlands' Rabobank — have a woman chairing their governing boards.