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- Pano Christou started working at the British sandwich franchise Pret a Manger when he was 21.
- Over the next 19 years he was promoted from the shop floor to the C-suite.
- Christou shared how he worked his way up to CEO without a university degree.
Pano Christou was 21 when he started at Pret a Manger as a store manager in London. Nineteen years and 10 promotions later, he's the CEO, a position he's held for just over four years.