Born in Uganda into a wealthy family, Shriti Vadera was exiled to India following Idi Amin's expulsion of all of Uganda's Asians. At 15, to avoid an arranged marriage, she asked to go to boarding school, in the UK where she has stayed, building her reputation as a formidable economist. Now the Chairwoman of Santander UK, Shriti Vadera is one of Europe's leading bankers. For this special edition of the BBC's 100 Women season, Shriti Vadera speaks in depth to Laura Kuennsberg. Show less